Home / 977,457.40-1,465,116.90-346,046.20

Finding the Fourth Proportional to 977,457.40, 1,465,116.90 and 346,046.20

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Solution

The fourth proportional to 977,457.40, 1,465,116.90 and 346,046.20 is: 518,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,457.40 : 1,465,116.90 = 346,046.20 : x
  2. Step 2: Convert to fraction form
    977,457.40/1,465,116.90 = 346,046.20/x
  3. Step 3: Cross multiply
    977,457.40x = 1,465,116.90 × 346,046.20
  4. Step 4: Simplify right side
    977,457.40x = 506,998,135,800.78
  5. Step 5: Solve for x
    x = 506,998,135,800.78/977,457.40
  6. Step 6: Final answer
    x = 518,690.77

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Double scale
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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.