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Finding the Fourth Proportional to 593,116.40, 888,362.40 and 488,140.40

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Solution

The fourth proportional to 593,116.40, 888,362.40 and 488,140.40 is: 731,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,116.40 : 888,362.40 = 488,140.40 : x
  2. Step 2: Convert to fraction form
    593,116.40/888,362.40 = 488,140.40/x
  3. Step 3: Cross multiply
    593,116.40x = 888,362.40 × 488,140.40
  4. Step 4: Simplify right side
    593,116.40x = 433,645,577,280.96
  5. Step 5: Solve for x
    x = 433,645,577,280.96/593,116.40
  6. Step 6: Final answer
    x = 731,130.65

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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.