Home / 898,793.91-1,240,307.51-490,889.25

Finding the Fourth Proportional to 898,793.91, 1,240,307.51 and 490,889.25

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Solution

The fourth proportional to 898,793.91, 1,240,307.51 and 490,889.25 is: 677,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,793.91 : 1,240,307.51 = 490,889.25 : x
  2. Step 2: Convert to fraction form
    898,793.91/1,240,307.51 = 490,889.25/x
  3. Step 3: Cross multiply
    898,793.91x = 1,240,307.51 × 490,889.25
  4. Step 4: Simplify right side
    898,793.91x = 608,853,620,898.82
  5. Step 5: Solve for x
    x = 608,853,620,898.82/898,793.91
  6. Step 6: Final answer
    x = 677,411.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.