Home / 747,726.40-1,120,034.40-623,310.40

Finding the Fourth Proportional to 747,726.40, 1,120,034.40 and 623,310.40

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Solution

The fourth proportional to 747,726.40, 1,120,034.40 and 623,310.40 is: 933,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,726.40 : 1,120,034.40 = 623,310.40 : x
  2. Step 2: Convert to fraction form
    747,726.40/1,120,034.40 = 623,310.40/x
  3. Step 3: Cross multiply
    747,726.40x = 1,120,034.40 × 623,310.40
  4. Step 4: Simplify right side
    747,726.40x = 698,129,089,877.76
  5. Step 5: Solve for x
    x = 698,129,089,877.76/747,726.40
  6. Step 6: Final answer
    x = 933,669.17

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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.