Home / 890,412.60-1,335,618.90-606,977.40

Finding the Fourth Proportional to 890,412.60, 1,335,618.90 and 606,977.40

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Solution

The fourth proportional to 890,412.60, 1,335,618.90 and 606,977.40 is: 910,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,412.60 : 1,335,618.90 = 606,977.40 : x
  2. Step 2: Convert to fraction form
    890,412.60/1,335,618.90 = 606,977.40/x
  3. Step 3: Cross multiply
    890,412.60x = 1,335,618.90 × 606,977.40
  4. Step 4: Simplify right side
    890,412.60x = 810,690,487,312.86
  5. Step 5: Solve for x
    x = 810,690,487,312.86/890,412.60
  6. Step 6: Final answer
    x = 910,466.10

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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.