Home / 845,572.87-1,266,669.36-508,428.91

Finding the Fourth Proportional to 845,572.87, 1,266,669.36 and 508,428.91

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Solution

The fourth proportional to 845,572.87, 1,266,669.36 and 508,428.91 is: 761,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,572.87 : 1,266,669.36 = 508,428.91 : x
  2. Step 2: Convert to fraction form
    845,572.87/1,266,669.36 = 508,428.91/x
  3. Step 3: Cross multiply
    845,572.87x = 1,266,669.36 × 508,428.91
  4. Step 4: Simplify right side
    845,572.87x = 644,011,322,035.20
  5. Step 5: Solve for x
    x = 644,011,322,035.20/845,572.87
  6. Step 6: Final answer
    x = 761,627.23

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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.