Home / 602,051.20-904,113.60-425,795.20

Finding the Fourth Proportional to 602,051.20, 904,113.60 and 425,795.20

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Solution

The fourth proportional to 602,051.20, 904,113.60 and 425,795.20 is: 639,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,051.20 : 904,113.60 = 425,795.20 : x
  2. Step 2: Convert to fraction form
    602,051.20/904,113.60 = 425,795.20/x
  3. Step 3: Cross multiply
    602,051.20x = 904,113.60 × 425,795.20
  4. Step 4: Simplify right side
    602,051.20x = 384,967,231,134.72
  5. Step 5: Solve for x
    x = 384,967,231,134.72/602,051.20
  6. Step 6: Final answer
    x = 639,426.07

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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.