Home / 890,257.92-1,335,448.08-357,779.40

Finding the Fourth Proportional to 890,257.92, 1,335,448.08 and 357,779.40

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Solution

The fourth proportional to 890,257.92, 1,335,448.08 and 357,779.40 is: 536,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,257.92 : 1,335,448.08 = 357,779.40 : x
  2. Step 2: Convert to fraction form
    890,257.92/1,335,448.08 = 357,779.40/x
  3. Step 3: Cross multiply
    890,257.92x = 1,335,448.08 × 357,779.40
  4. Step 4: Simplify right side
    890,257.92x = 477,795,812,793.55
  5. Step 5: Solve for x
    x = 477,795,812,793.55/890,257.92
  6. Step 6: Final answer
    x = 536,693.70

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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.