Home / 702,922.10-1,054,383.15-514,915.70

Finding the Fourth Proportional to 702,922.10, 1,054,383.15 and 514,915.70

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Solution

The fourth proportional to 702,922.10, 1,054,383.15 and 514,915.70 is: 772,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,922.10 : 1,054,383.15 = 514,915.70 : x
  2. Step 2: Convert to fraction form
    702,922.10/1,054,383.15 = 514,915.70/x
  3. Step 3: Cross multiply
    702,922.10x = 1,054,383.15 × 514,915.70
  4. Step 4: Simplify right side
    702,922.10x = 542,918,437,750.46
  5. Step 5: Solve for x
    x = 542,918,437,750.46/702,922.10
  6. Step 6: Final answer
    x = 772,373.55

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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.