Home / 753,813.60-1,130,720.40-529,864.80

Finding the Fourth Proportional to 753,813.60, 1,130,720.40 and 529,864.80

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Solution

The fourth proportional to 753,813.60, 1,130,720.40 and 529,864.80 is: 794,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,813.60 : 1,130,720.40 = 529,864.80 : x
  2. Step 2: Convert to fraction form
    753,813.60/1,130,720.40 = 529,864.80/x
  3. Step 3: Cross multiply
    753,813.60x = 1,130,720.40 × 529,864.80
  4. Step 4: Simplify right side
    753,813.60x = 599,128,938,601.92
  5. Step 5: Solve for x
    x = 599,128,938,601.92/753,813.60
  6. Step 6: Final answer
    x = 794,797.20

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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.