Home / 702,869.80-1,055,004.54-387,475.24

Finding the Fourth Proportional to 702,869.80, 1,055,004.54 and 387,475.24

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Solution

The fourth proportional to 702,869.80, 1,055,004.54 and 387,475.24 is: 581,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,869.80 : 1,055,004.54 = 387,475.24 : x
  2. Step 2: Convert to fraction form
    702,869.80/1,055,004.54 = 387,475.24/x
  3. Step 3: Cross multiply
    702,869.80x = 1,055,004.54 × 387,475.24
  4. Step 4: Simplify right side
    702,869.80x = 408,788,137,337.59
  5. Step 5: Solve for x
    x = 408,788,137,337.59/702,869.80
  6. Step 6: Final answer
    x = 581,598.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.