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Finding the Fourth Proportional to 601,545.60, 902,512.80 and 402,091.20

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Solution

The fourth proportional to 601,545.60, 902,512.80 and 402,091.20 is: 603,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,545.60 : 902,512.80 = 402,091.20 : x
  2. Step 2: Convert to fraction form
    601,545.60/902,512.80 = 402,091.20/x
  3. Step 3: Cross multiply
    601,545.60x = 902,512.80 × 402,091.20
  4. Step 4: Simplify right side
    601,545.60x = 362,892,454,767.36
  5. Step 5: Solve for x
    x = 362,892,454,767.36/601,545.60
  6. Step 6: Final answer
    x = 603,266.74

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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.