Home / 732,648.80-1,098,973.20-520,072.40

Finding the Fourth Proportional to 732,648.80, 1,098,973.20 and 520,072.40

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Solution

The fourth proportional to 732,648.80, 1,098,973.20 and 520,072.40 is: 780,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,648.80 : 1,098,973.20 = 520,072.40 : x
  2. Step 2: Convert to fraction form
    732,648.80/1,098,973.20 = 520,072.40/x
  3. Step 3: Cross multiply
    732,648.80x = 1,098,973.20 × 520,072.40
  4. Step 4: Simplify right side
    732,648.80x = 571,545,629,659.68
  5. Step 5: Solve for x
    x = 571,545,629,659.68/732,648.80
  6. Step 6: Final answer
    x = 780,108.60

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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.