Home / 761,356.60-1,141,592.23-288,078.46

Finding the Fourth Proportional to 761,356.60, 1,141,592.23 and 288,078.46

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Solution

The fourth proportional to 761,356.60, 1,141,592.23 and 288,078.46 is: 431,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,356.60 : 1,141,592.23 = 288,078.46 : x
  2. Step 2: Convert to fraction form
    761,356.60/1,141,592.23 = 288,078.46/x
  3. Step 3: Cross multiply
    761,356.60x = 1,141,592.23 × 288,078.46
  4. Step 4: Simplify right side
    761,356.60x = 328,868,129,072.48
  5. Step 5: Solve for x
    x = 328,868,129,072.48/761,356.60
  6. Step 6: Final answer
    x = 431,950.19

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1.5x scale

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.