Home / 838,290.77-1,154,279.46-631,859.16

Finding the Fourth Proportional to 838,290.77, 1,154,279.46 and 631,859.16

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Solution

The fourth proportional to 838,290.77, 1,154,279.46 and 631,859.16 is: 870,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,290.77 : 1,154,279.46 = 631,859.16 : x
  2. Step 2: Convert to fraction form
    838,290.77/1,154,279.46 = 631,859.16/x
  3. Step 3: Cross multiply
    838,290.77x = 1,154,279.46 × 631,859.16
  4. Step 4: Simplify right side
    838,290.77x = 729,342,046,959.64
  5. Step 5: Solve for x
    x = 729,342,046,959.64/838,290.77
  6. Step 6: Final answer
    x = 870,034.69

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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.