Home / 758,889.04-1,047,288-419,379.16

Finding the Fourth Proportional to 758,889.04, 1,047,288 and 419,379.16

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Solution

The fourth proportional to 758,889.04, 1,047,288 and 419,379.16 is: 578,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,889.04 : 1,047,288 = 419,379.16 : x
  2. Step 2: Convert to fraction form
    758,889.04/1,047,288 = 419,379.16/x
  3. Step 3: Cross multiply
    758,889.04x = 1,047,288 × 419,379.16
  4. Step 4: Simplify right side
    758,889.04x = 439,210,761,718.08
  5. Step 5: Solve for x
    x = 439,210,761,718.08/758,889.04
  6. Step 6: Final answer
    x = 578,754.91

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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.