Home / 889,411.64-1,334,139.35-258,330.92

Finding the Fourth Proportional to 889,411.64, 1,334,139.35 and 258,330.92

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Solution

The fourth proportional to 889,411.64, 1,334,139.35 and 258,330.92 is: 387,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,411.64 : 1,334,139.35 = 258,330.92 : x
  2. Step 2: Convert to fraction form
    889,411.64/1,334,139.35 = 258,330.92/x
  3. Step 3: Cross multiply
    889,411.64x = 1,334,139.35 × 258,330.92
  4. Step 4: Simplify right side
    889,411.64x = 344,649,437,731.35
  5. Step 5: Solve for x
    x = 344,649,437,731.35/889,411.64
  6. Step 6: Final answer
    x = 387,502.73

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Double scale
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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.