Home / 985,691.16-1,360,223.28-555,965.10

Finding the Fourth Proportional to 985,691.16, 1,360,223.28 and 555,965.10

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Solution

The fourth proportional to 985,691.16, 1,360,223.28 and 555,965.10 is: 767,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,691.16 : 1,360,223.28 = 555,965.10 : x
  2. Step 2: Convert to fraction form
    985,691.16/1,360,223.28 = 555,965.10/x
  3. Step 3: Cross multiply
    985,691.16x = 1,360,223.28 × 555,965.10
  4. Step 4: Simplify right side
    985,691.16x = 756,236,671,887.53
  5. Step 5: Solve for x
    x = 756,236,671,887.53/985,691.16
  6. Step 6: Final answer
    x = 767,214.62

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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.