Home / 708,421.50-977,622.30-386,125.14

Finding the Fourth Proportional to 708,421.50, 977,622.30 and 386,125.14

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Solution

The fourth proportional to 708,421.50, 977,622.30 and 386,125.14 is: 532,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,421.50 : 977,622.30 = 386,125.14 : x
  2. Step 2: Convert to fraction form
    708,421.50/977,622.30 = 386,125.14/x
  3. Step 3: Cross multiply
    708,421.50x = 977,622.30 × 386,125.14
  4. Step 4: Simplify right side
    708,421.50x = 377,484,547,454.62
  5. Step 5: Solve for x
    x = 377,484,547,454.62/708,421.50
  6. Step 6: Final answer
    x = 532,853.04

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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.