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Finding the Fourth Proportional to 600,421.70, 898,445.55 and 442,957.70

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Solution

The fourth proportional to 600,421.70, 898,445.55 and 442,957.70 is: 662,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,421.70 : 898,445.55 = 442,957.70 : x
  2. Step 2: Convert to fraction form
    600,421.70/898,445.55 = 442,957.70/x
  3. Step 3: Cross multiply
    600,421.70x = 898,445.55 × 442,957.70
  4. Step 4: Simplify right side
    600,421.70x = 397,973,374,403.24
  5. Step 5: Solve for x
    x = 397,973,374,403.24/600,421.70
  6. Step 6: Final answer
    x = 662,823.10

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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.