Home / 708,341.87-977,483.31-386,045.06

Finding the Fourth Proportional to 708,341.87, 977,483.31 and 386,045.06

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Solution

The fourth proportional to 708,341.87, 977,483.31 and 386,045.06 is: 532,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,341.87 : 977,483.31 = 386,045.06 : x
  2. Step 2: Convert to fraction form
    708,341.87/977,483.31 = 386,045.06/x
  3. Step 3: Cross multiply
    708,341.87x = 977,483.31 × 386,045.06
  4. Step 4: Simplify right side
    708,341.87x = 377,352,598,170.53
  5. Step 5: Solve for x
    x = 377,352,598,170.53/708,341.87
  6. Step 6: Final answer
    x = 532,726.66

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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.