Home / 945,767-1,304,979.90-563,829.32

Finding the Fourth Proportional to 945,767, 1,304,979.90 and 563,829.32

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Solution

The fourth proportional to 945,767, 1,304,979.90 and 563,829.32 is: 777,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,767 : 1,304,979.90 = 563,829.32 : x
  2. Step 2: Convert to fraction form
    945,767/1,304,979.90 = 563,829.32/x
  3. Step 3: Cross multiply
    945,767x = 1,304,979.90 × 563,829.32
  4. Step 4: Simplify right side
    945,767x = 735,785,929,630.67
  5. Step 5: Solve for x
    x = 735,785,929,630.67/945,767
  6. Step 6: Final answer
    x = 777,978.01

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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.