Home / 708,088.77-977,150.10-385,801.17

Finding the Fourth Proportional to 708,088.77, 977,150.10 and 385,801.17

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Solution

The fourth proportional to 708,088.77, 977,150.10 and 385,801.17 is: 532,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,088.77 : 977,150.10 = 385,801.17 : x
  2. Step 2: Convert to fraction form
    708,088.77/977,150.10 = 385,801.17/x
  3. Step 3: Cross multiply
    708,088.77x = 977,150.10 × 385,801.17
  4. Step 4: Simplify right side
    708,088.77x = 376,985,651,845.62
  5. Step 5: Solve for x
    x = 376,985,651,845.62/708,088.77
  6. Step 6: Final answer
    x = 532,398.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.