Home / 731,923.20-1,095,746.40-521,971.20

Finding the Fourth Proportional to 731,923.20, 1,095,746.40 and 521,971.20

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Solution

The fourth proportional to 731,923.20, 1,095,746.40 and 521,971.20 is: 781,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,923.20 : 1,095,746.40 = 521,971.20 : x
  2. Step 2: Convert to fraction form
    731,923.20/1,095,746.40 = 521,971.20/x
  3. Step 3: Cross multiply
    731,923.20x = 1,095,746.40 × 521,971.20
  4. Step 4: Simplify right side
    731,923.20x = 571,948,063,303.68
  5. Step 5: Solve for x
    x = 571,948,063,303.68/731,923.20
  6. Step 6: Final answer
    x = 781,431.80

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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.