Home / 436,902.20-602,886.63-243,295.28

Finding the Fourth Proportional to 436,902.20, 602,886.63 and 243,295.28

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Solution

The fourth proportional to 436,902.20, 602,886.63 and 243,295.28 is: 335,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,902.20 : 602,886.63 = 243,295.28 : x
  2. Step 2: Convert to fraction form
    436,902.20/602,886.63 = 243,295.28/x
  3. Step 3: Cross multiply
    436,902.20x = 602,886.63 × 243,295.28
  4. Step 4: Simplify right side
    436,902.20x = 146,679,468,439.67
  5. Step 5: Solve for x
    x = 146,679,468,439.67/436,902.20
  6. Step 6: Final answer
    x = 335,726.10

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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.