Home / 582,052.18-802,545.01-398,379.33

Finding the Fourth Proportional to 582,052.18, 802,545.01 and 398,379.33

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Solution

The fourth proportional to 582,052.18, 802,545.01 and 398,379.33 is: 549,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,052.18 : 802,545.01 = 398,379.33 : x
  2. Step 2: Convert to fraction form
    582,052.18/802,545.01 = 398,379.33/x
  3. Step 3: Cross multiply
    582,052.18x = 802,545.01 × 398,379.33
  4. Step 4: Simplify right side
    582,052.18x = 319,717,343,378.64
  5. Step 5: Solve for x
    x = 319,717,343,378.64/582,052.18
  6. Step 6: Final answer
    x = 549,293.27

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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.