Home / 852,836.50-1,176,914.06-490,331.22

Finding the Fourth Proportional to 852,836.50, 1,176,914.06 and 490,331.22

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Solution

The fourth proportional to 852,836.50, 1,176,914.06 and 490,331.22 is: 676,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,836.50 : 1,176,914.06 = 490,331.22 : x
  2. Step 2: Convert to fraction form
    852,836.50/1,176,914.06 = 490,331.22/x
  3. Step 3: Cross multiply
    852,836.50x = 1,176,914.06 × 490,331.22
  4. Step 4: Simplify right side
    852,836.50x = 577,077,706,874.95
  5. Step 5: Solve for x
    x = 577,077,706,874.95/852,836.50
  6. Step 6: Final answer
    x = 676,656.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.