Home / 845,581.65-1,266,682.49-508,437.69

Finding the Fourth Proportional to 845,581.65, 1,266,682.49 and 508,437.69

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Solution

The fourth proportional to 845,581.65, 1,266,682.49 and 508,437.69 is: 761,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,581.65 : 1,266,682.49 = 508,437.69 : x
  2. Step 2: Convert to fraction form
    845,581.65/1,266,682.49 = 508,437.69/x
  3. Step 3: Cross multiply
    845,581.65x = 1,266,682.49 × 508,437.69
  4. Step 4: Simplify right side
    845,581.65x = 644,029,116,636.86
  5. Step 5: Solve for x
    x = 644,029,116,636.86/845,581.65
  6. Step 6: Final answer
    x = 761,640.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.