Home / 898,031.20-1,346,755.20-298,890.40

Finding the Fourth Proportional to 898,031.20, 1,346,755.20 and 298,890.40

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Solution

The fourth proportional to 898,031.20, 1,346,755.20 and 298,890.40 is: 448,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,031.20 : 1,346,755.20 = 298,890.40 : x
  2. Step 2: Convert to fraction form
    898,031.20/1,346,755.20 = 298,890.40/x
  3. Step 3: Cross multiply
    898,031.20x = 1,346,755.20 × 298,890.40
  4. Step 4: Simplify right side
    898,031.20x = 402,532,200,430.08
  5. Step 5: Solve for x
    x = 402,532,200,430.08/898,031.20
  6. Step 6: Final answer
    x = 448,238.55

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Double scale
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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.