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Finding the Fourth Proportional to 592,290.40, 888,435.60 and 403,333.60

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Solution

The fourth proportional to 592,290.40, 888,435.60 and 403,333.60 is: 605,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,290.40 : 888,435.60 = 403,333.60 : x
  2. Step 2: Convert to fraction form
    592,290.40/888,435.60 = 403,333.60/x
  3. Step 3: Cross multiply
    592,290.40x = 888,435.60 × 403,333.60
  4. Step 4: Simplify right side
    592,290.40x = 358,335,928,916.16
  5. Step 5: Solve for x
    x = 358,335,928,916.16/592,290.40
  6. Step 6: Final answer
    x = 605,000.40

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Similar ratio
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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.