Home / 977,455.40-1,465,113.90-346,044.20

Finding the Fourth Proportional to 977,455.40, 1,465,113.90 and 346,044.20

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Solution

The fourth proportional to 977,455.40, 1,465,113.90 and 346,044.20 is: 518,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,455.40 : 1,465,113.90 = 346,044.20 : x
  2. Step 2: Convert to fraction form
    977,455.40/1,465,113.90 = 346,044.20/x
  3. Step 3: Cross multiply
    977,455.40x = 1,465,113.90 × 346,044.20
  4. Step 4: Simplify right side
    977,455.40x = 506,994,167,434.38
  5. Step 5: Solve for x
    x = 506,994,167,434.38/977,455.40
  6. Step 6: Final answer
    x = 518,687.78

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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.