Home / 971,400.60-1,456,409.70-372,130.20

Finding the Fourth Proportional to 971,400.60, 1,456,409.70 and 372,130.20

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Solution

The fourth proportional to 971,400.60, 1,456,409.70 and 372,130.20 is: 557,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,400.60 : 1,456,409.70 = 372,130.20 : x
  2. Step 2: Convert to fraction form
    971,400.60/1,456,409.70 = 372,130.20/x
  3. Step 3: Cross multiply
    971,400.60x = 1,456,409.70 × 372,130.20
  4. Step 4: Simplify right side
    971,400.60x = 541,974,032,942.94
  5. Step 5: Solve for x
    x = 541,974,032,942.94/971,400.60
  6. Step 6: Final answer
    x = 557,930.51

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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.