Home / 890,293.92-1,335,502.53-357,815.40

Finding the Fourth Proportional to 890,293.92, 1,335,502.53 and 357,815.40

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Solution

The fourth proportional to 890,293.92, 1,335,502.53 and 357,815.40 is: 536,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,293.92 : 1,335,502.53 = 357,815.40 : x
  2. Step 2: Convert to fraction form
    890,293.92/1,335,502.53 = 357,815.40/x
  3. Step 3: Cross multiply
    890,293.92x = 1,335,502.53 × 357,815.40
  4. Step 4: Simplify right side
    890,293.92x = 477,863,371,972.96
  5. Step 5: Solve for x
    x = 477,863,371,972.96/890,293.92
  6. Step 6: Final answer
    x = 536,747.88

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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.