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Finding the Fourth Proportional to 532,646.08, 735,047.83 and 290,928.71

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Solution

The fourth proportional to 532,646.08, 735,047.83 and 290,928.71 is: 401,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,646.08 : 735,047.83 = 290,928.71 : x
  2. Step 2: Convert to fraction form
    532,646.08/735,047.83 = 290,928.71/x
  3. Step 3: Cross multiply
    532,646.08x = 735,047.83 × 290,928.71
  4. Step 4: Simplify right side
    532,646.08x = 213,846,516,970.20
  5. Step 5: Solve for x
    x = 213,846,516,970.20/532,646.08
  6. Step 6: Final answer
    x = 401,479.57

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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.