Home / 880,828.80-1,215,460.80-609,187.20

Finding the Fourth Proportional to 880,828.80, 1,215,460.80 and 609,187.20

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Solution

The fourth proportional to 880,828.80, 1,215,460.80 and 609,187.20 is: 840,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,828.80 : 1,215,460.80 = 609,187.20 : x
  2. Step 2: Convert to fraction form
    880,828.80/1,215,460.80 = 609,187.20/x
  3. Step 3: Cross multiply
    880,828.80x = 1,215,460.80 × 609,187.20
  4. Step 4: Simplify right side
    880,828.80x = 740,443,161,461.76
  5. Step 5: Solve for x
    x = 740,443,161,461.76/880,828.80
  6. Step 6: Final answer
    x = 840,620.97

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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.