Home / 708,343.23-977,488.65-386,046.93

Finding the Fourth Proportional to 708,343.23, 977,488.65 and 386,046.93

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Solution

The fourth proportional to 708,343.23, 977,488.65 and 386,046.93 is: 532,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,343.23 : 977,488.65 = 386,046.93 : x
  2. Step 2: Convert to fraction form
    708,343.23/977,488.65 = 386,046.93/x
  3. Step 3: Cross multiply
    708,343.23x = 977,488.65 × 386,046.93
  4. Step 4: Simplify right side
    708,343.23x = 377,356,492,442.35
  5. Step 5: Solve for x
    x = 377,356,492,442.35/708,343.23
  6. Step 6: Final answer
    x = 532,731.13

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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.