Home / 898,725.48-1,240,747.38-623,481

Finding the Fourth Proportional to 898,725.48, 1,240,747.38 and 623,481

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Solution

The fourth proportional to 898,725.48, 1,240,747.38 and 623,481 is: 860,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,725.48 : 1,240,747.38 = 623,481 : x
  2. Step 2: Convert to fraction form
    898,725.48/1,240,747.38 = 623,481/x
  3. Step 3: Cross multiply
    898,725.48x = 1,240,747.38 × 623,481
  4. Step 4: Simplify right side
    898,725.48x = 773,582,417,229.78
  5. Step 5: Solve for x
    x = 773,582,417,229.78/898,725.48
  6. Step 6: Final answer
    x = 860,754.96

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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.