Home / 876,111.56-1,209,026.92-508,622.80

Finding the Fourth Proportional to 876,111.56, 1,209,026.92 and 508,622.80

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Solution

The fourth proportional to 876,111.56, 1,209,026.92 and 508,622.80 is: 701,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,111.56 : 1,209,026.92 = 508,622.80 : x
  2. Step 2: Convert to fraction form
    876,111.56/1,209,026.92 = 508,622.80/x
  3. Step 3: Cross multiply
    876,111.56x = 1,209,026.92 × 508,622.80
  4. Step 4: Simplify right side
    876,111.56x = 614,938,653,031.65
  5. Step 5: Solve for x
    x = 614,938,653,031.65/876,111.56
  6. Step 6: Final answer
    x = 701,895.37

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Double scale
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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.