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Finding the Fourth Proportional to 634,938.32, 951,681.72 and 260,498

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Solution

The fourth proportional to 634,938.32, 951,681.72 and 260,498 is: 390,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,938.32 : 951,681.72 = 260,498 : x
  2. Step 2: Convert to fraction form
    634,938.32/951,681.72 = 260,498/x
  3. Step 3: Cross multiply
    634,938.32x = 951,681.72 × 260,498
  4. Step 4: Simplify right side
    634,938.32x = 247,911,184,696.56
  5. Step 5: Solve for x
    x = 247,911,184,696.56/634,938.32
  6. Step 6: Final answer
    x = 390,449.24

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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.