Home / 890,964.97-1,333,254.85-771,434.29

Finding the Fourth Proportional to 890,964.97, 1,333,254.85 and 771,434.29

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Solution

The fourth proportional to 890,964.97, 1,333,254.85 and 771,434.29 is: 1,154,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,964.97 : 1,333,254.85 = 771,434.29 : x
  2. Step 2: Convert to fraction form
    890,964.97/1,333,254.85 = 771,434.29/x
  3. Step 3: Cross multiply
    890,964.97x = 1,333,254.85 × 771,434.29
  4. Step 4: Simplify right side
    890,964.97x = 1,028,518,511,296.51
  5. Step 5: Solve for x
    x = 1,028,518,511,296.51/890,964.97
  6. Step 6: Final answer
    x = 1,154,387.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.