Home / 747,963.84-1,121,114.72-569,883.76

Finding the Fourth Proportional to 747,963.84, 1,121,114.72 and 569,883.76

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Solution

The fourth proportional to 747,963.84, 1,121,114.72 and 569,883.76 is: 854,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,963.84 : 1,121,114.72 = 569,883.76 : x
  2. Step 2: Convert to fraction form
    747,963.84/1,121,114.72 = 569,883.76/x
  3. Step 3: Cross multiply
    747,963.84x = 1,121,114.72 × 569,883.76
  4. Step 4: Simplify right side
    747,963.84x = 638,905,072,024.95
  5. Step 5: Solve for x
    x = 638,905,072,024.95/747,963.84
  6. Step 6: Final answer
    x = 854,192.46

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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.