Home / 671,206.80-1,006,810.20-372,608.40

Finding the Fourth Proportional to 671,206.80, 1,006,810.20 and 372,608.40

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Solution

The fourth proportional to 671,206.80, 1,006,810.20 and 372,608.40 is: 558,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,206.80 : 1,006,810.20 = 372,608.40 : x
  2. Step 2: Convert to fraction form
    671,206.80/1,006,810.20 = 372,608.40/x
  3. Step 3: Cross multiply
    671,206.80x = 1,006,810.20 × 372,608.40
  4. Step 4: Simplify right side
    671,206.80x = 375,145,937,725.68
  5. Step 5: Solve for x
    x = 375,145,937,725.68/671,206.80
  6. Step 6: Final answer
    x = 558,912.60

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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.