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Finding the Fourth Proportional to 488,646.04, 732,940.98 and 290,226.76

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Solution

The fourth proportional to 488,646.04, 732,940.98 and 290,226.76 is: 435,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,646.04 : 732,940.98 = 290,226.76 : x
  2. Step 2: Convert to fraction form
    488,646.04/732,940.98 = 290,226.76/x
  3. Step 3: Cross multiply
    488,646.04x = 732,940.98 × 290,226.76
  4. Step 4: Simplify right side
    488,646.04x = 212,719,085,896.63
  5. Step 5: Solve for x
    x = 212,719,085,896.63/488,646.04
  6. Step 6: Final answer
    x = 435,323.46

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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.