Home / 708,159.48-977,260.19-385,869.66

Finding the Fourth Proportional to 708,159.48, 977,260.19 and 385,869.66

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Solution

The fourth proportional to 708,159.48, 977,260.19 and 385,869.66 is: 532,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,159.48 : 977,260.19 = 385,869.66 : x
  2. Step 2: Convert to fraction form
    708,159.48/977,260.19 = 385,869.66/x
  3. Step 3: Cross multiply
    708,159.48x = 977,260.19 × 385,869.66
  4. Step 4: Simplify right side
    708,159.48x = 377,095,055,317.49
  5. Step 5: Solve for x
    x = 377,095,055,317.49/708,159.48
  6. Step 6: Final answer
    x = 532,500.19

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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.