Home / 904,701.60-1,248,399.84-522,720.18

Finding the Fourth Proportional to 904,701.60, 1,248,399.84 and 522,720.18

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Solution

The fourth proportional to 904,701.60, 1,248,399.84 and 522,720.18 is: 721,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,701.60 : 1,248,399.84 = 522,720.18 : x
  2. Step 2: Convert to fraction form
    904,701.60/1,248,399.84 = 522,720.18/x
  3. Step 3: Cross multiply
    904,701.60x = 1,248,399.84 × 522,720.18
  4. Step 4: Simplify right side
    904,701.60x = 652,563,789,076.77
  5. Step 5: Solve for x
    x = 652,563,789,076.77/904,701.60
  6. Step 6: Final answer
    x = 721,302.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.