Home / 708,335.03-977,473.88-386,038.20

Finding the Fourth Proportional to 708,335.03, 977,473.88 and 386,038.20

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Solution

The fourth proportional to 708,335.03, 977,473.88 and 386,038.20 is: 532,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,335.03 : 977,473.88 = 386,038.20 : x
  2. Step 2: Convert to fraction form
    708,335.03/977,473.88 = 386,038.20/x
  3. Step 3: Cross multiply
    708,335.03x = 977,473.88 × 386,038.20
  4. Step 4: Simplify right side
    708,335.03x = 377,342,260,365.20
  5. Step 5: Solve for x
    x = 377,342,260,365.20/708,335.03
  6. Step 6: Final answer
    x = 532,717.21

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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.