Home / 977,346.20-1,466,019.30-346,323.80

Finding the Fourth Proportional to 977,346.20, 1,466,019.30 and 346,323.80

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Solution

The fourth proportional to 977,346.20, 1,466,019.30 and 346,323.80 is: 519,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,346.20 : 1,466,019.30 = 346,323.80 : x
  2. Step 2: Convert to fraction form
    977,346.20/1,466,019.30 = 346,323.80/x
  3. Step 3: Cross multiply
    977,346.20x = 1,466,019.30 × 346,323.80
  4. Step 4: Simplify right side
    977,346.20x = 507,717,374,849.34
  5. Step 5: Solve for x
    x = 507,717,374,849.34/977,346.20
  6. Step 6: Final answer
    x = 519,485.70

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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.