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Finding the Fourth Proportional to 890,500.32, 1,335,418.32 and 357,841.08

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Solution

The fourth proportional to 890,500.32, 1,335,418.32 and 357,841.08 is: 536,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,500.32 : 1,335,418.32 = 357,841.08 : x
  2. Step 2: Convert to fraction form
    890,500.32/1,335,418.32 = 357,841.08/x
  3. Step 3: Cross multiply
    890,500.32x = 1,335,418.32 × 357,841.08
  4. Step 4: Simplify right side
    890,500.32x = 477,867,533,880.59
  5. Step 5: Solve for x
    x = 477,867,533,880.59/890,500.32
  6. Step 6: Final answer
    x = 536,628.14

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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.