Home / 898,277.31-1,239,604.16-490,387.23

Finding the Fourth Proportional to 898,277.31, 1,239,604.16 and 490,387.23

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Solution

The fourth proportional to 898,277.31, 1,239,604.16 and 490,387.23 is: 676,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,277.31 : 1,239,604.16 = 490,387.23 : x
  2. Step 2: Convert to fraction form
    898,277.31/1,239,604.16 = 490,387.23/x
  3. Step 3: Cross multiply
    898,277.31x = 1,239,604.16 × 490,387.23
  4. Step 4: Simplify right side
    898,277.31x = 607,886,047,866.94
  5. Step 5: Solve for x
    x = 607,886,047,866.94/898,277.31
  6. Step 6: Final answer
    x = 676,724.26

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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.