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Finding the Fourth Proportional to 561,929.60, 842,894.40 and 372,972.80

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Solution

The fourth proportional to 561,929.60, 842,894.40 and 372,972.80 is: 559,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,929.60 : 842,894.40 = 372,972.80 : x
  2. Step 2: Convert to fraction form
    561,929.60/842,894.40 = 372,972.80/x
  3. Step 3: Cross multiply
    561,929.60x = 842,894.40 × 372,972.80
  4. Step 4: Simplify right side
    561,929.60x = 314,376,684,472.32
  5. Step 5: Solve for x
    x = 314,376,684,472.32/561,929.60
  6. Step 6: Final answer
    x = 559,459.20

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1.5x scale

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.