Home / 827,588.48-1,142,071.68-465,013.76

Finding the Fourth Proportional to 827,588.48, 1,142,071.68 and 465,013.76

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Solution

The fourth proportional to 827,588.48, 1,142,071.68 and 465,013.76 is: 641,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,588.48 : 1,142,071.68 = 465,013.76 : x
  2. Step 2: Convert to fraction form
    827,588.48/1,142,071.68 = 465,013.76/x
  3. Step 3: Cross multiply
    827,588.48x = 1,142,071.68 × 465,013.76
  4. Step 4: Simplify right side
    827,588.48x = 531,079,046,106.32
  5. Step 5: Solve for x
    x = 531,079,046,106.32/827,588.48
  6. Step 6: Final answer
    x = 641,718.75

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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.