Home / 712,915.84-1,069,373.76-239,601.20

Finding the Fourth Proportional to 712,915.84, 1,069,373.76 and 239,601.20

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Solution

The fourth proportional to 712,915.84, 1,069,373.76 and 239,601.20 is: 359,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,915.84 : 1,069,373.76 = 239,601.20 : x
  2. Step 2: Convert to fraction form
    712,915.84/1,069,373.76 = 239,601.20/x
  3. Step 3: Cross multiply
    712,915.84x = 1,069,373.76 × 239,601.20
  4. Step 4: Simplify right side
    712,915.84x = 256,223,236,144.51
  5. Step 5: Solve for x
    x = 256,223,236,144.51/712,915.84
  6. Step 6: Final answer
    x = 359,401.80

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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.