Home / 841,226.74-1,160,959.14-478,665.88

Finding the Fourth Proportional to 841,226.74, 1,160,959.14 and 478,665.88

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Solution

The fourth proportional to 841,226.74, 1,160,959.14 and 478,665.88 is: 660,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,226.74 : 1,160,959.14 = 478,665.88 : x
  2. Step 2: Convert to fraction form
    841,226.74/1,160,959.14 = 478,665.88/x
  3. Step 3: Cross multiply
    841,226.74x = 1,160,959.14 × 478,665.88
  4. Step 4: Simplify right side
    841,226.74x = 555,711,528,392.14
  5. Step 5: Solve for x
    x = 555,711,528,392.14/841,226.74
  6. Step 6: Final answer
    x = 660,596.60

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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.