Home / 971,071.32-1,340,084.15-563,415.89

Finding the Fourth Proportional to 971,071.32, 1,340,084.15 and 563,415.89

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Solution

The fourth proportional to 971,071.32, 1,340,084.15 and 563,415.89 is: 777,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,071.32 : 1,340,084.15 = 563,415.89 : x
  2. Step 2: Convert to fraction form
    971,071.32/1,340,084.15 = 563,415.89/x
  3. Step 3: Cross multiply
    971,071.32x = 1,340,084.15 × 563,415.89
  4. Step 4: Simplify right side
    971,071.32x = 755,024,701,230.06
  5. Step 5: Solve for x
    x = 755,024,701,230.06/971,071.32
  6. Step 6: Final answer
    x = 777,517.25

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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.