Home / 890,416.26-1,335,686.22-357,937.56

Finding the Fourth Proportional to 890,416.26, 1,335,686.22 and 357,937.56

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Solution

The fourth proportional to 890,416.26, 1,335,686.22 and 357,937.56 is: 536,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,416.26 : 1,335,686.22 = 357,937.56 : x
  2. Step 2: Convert to fraction form
    890,416.26/1,335,686.22 = 357,937.56/x
  3. Step 3: Cross multiply
    890,416.26x = 1,335,686.22 × 357,937.56
  4. Step 4: Simplify right side
    890,416.26x = 478,092,266,512.42
  5. Step 5: Solve for x
    x = 478,092,266,512.42/890,416.26
  6. Step 6: Final answer
    x = 536,931.19

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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.