Home / 811,468.77-1,119,806.67-448,912.77

Finding the Fourth Proportional to 811,468.77, 1,119,806.67 and 448,912.77

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Solution

The fourth proportional to 811,468.77, 1,119,806.67 and 448,912.77 is: 619,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,468.77 : 1,119,806.67 = 448,912.77 : x
  2. Step 2: Convert to fraction form
    811,468.77/1,119,806.67 = 448,912.77/x
  3. Step 3: Cross multiply
    811,468.77x = 1,119,806.67 × 448,912.77
  4. Step 4: Simplify right side
    811,468.77x = 502,695,514,094.18
  5. Step 5: Solve for x
    x = 502,695,514,094.18/811,468.77
  6. Step 6: Final answer
    x = 619,488.43

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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.