Home / 708,342.87-977,484.69-386,046.06

Finding the Fourth Proportional to 708,342.87, 977,484.69 and 386,046.06

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Solution

The fourth proportional to 708,342.87, 977,484.69 and 386,046.06 is: 532,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,342.87 : 977,484.69 = 386,046.06 : x
  2. Step 2: Convert to fraction form
    708,342.87/977,484.69 = 386,046.06/x
  3. Step 3: Cross multiply
    708,342.87x = 977,484.69 × 386,046.06
  4. Step 4: Simplify right side
    708,342.87x = 377,354,113,284.82
  5. Step 5: Solve for x
    x = 377,354,113,284.82/708,342.87
  6. Step 6: Final answer
    x = 532,728.05

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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.