Home / 731,483.70-1,095,087.15-521,531.70

Finding the Fourth Proportional to 731,483.70, 1,095,087.15 and 521,531.70

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Solution

The fourth proportional to 731,483.70, 1,095,087.15 and 521,531.70 is: 780,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,483.70 : 1,095,087.15 = 521,531.70 : x
  2. Step 2: Convert to fraction form
    731,483.70/1,095,087.15 = 521,531.70/x
  3. Step 3: Cross multiply
    731,483.70x = 1,095,087.15 × 521,531.70
  4. Step 4: Simplify right side
    731,483.70x = 571,122,662,987.66
  5. Step 5: Solve for x
    x = 571,122,662,987.66/731,483.70
  6. Step 6: Final answer
    x = 780,772.92

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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.