Home / 898,462.07-1,239,868.25-490,562.65

Finding the Fourth Proportional to 898,462.07, 1,239,868.25 and 490,562.65

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Solution

The fourth proportional to 898,462.07, 1,239,868.25 and 490,562.65 is: 676,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,462.07 : 1,239,868.25 = 490,562.65 : x
  2. Step 2: Convert to fraction form
    898,462.07/1,239,868.25 = 490,562.65/x
  3. Step 3: Cross multiply
    898,462.07x = 1,239,868.25 × 490,562.65
  4. Step 4: Simplify right side
    898,462.07x = 608,233,054,370.86
  5. Step 5: Solve for x
    x = 608,233,054,370.86/898,462.07
  6. Step 6: Final answer
    x = 676,971.32

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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.