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Finding the Fourth Proportional to 977,457.60, 1,466,445.60 and 346,305.60

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Solution

The fourth proportional to 977,457.60, 1,466,445.60 and 346,305.60 is: 519,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,457.60 : 1,466,445.60 = 346,305.60 : x
  2. Step 2: Convert to fraction form
    977,457.60/1,466,445.60 = 346,305.60/x
  3. Step 3: Cross multiply
    977,457.60x = 1,466,445.60 × 346,305.60
  4. Step 4: Simplify right side
    977,457.60x = 507,838,323,375.36
  5. Step 5: Solve for x
    x = 507,838,323,375.36/977,457.60
  6. Step 6: Final answer
    x = 519,550.23

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.