Home / 718,123.83-1,077,222.65-185,649.47

Finding the Fourth Proportional to 718,123.83, 1,077,222.65 and 185,649.47

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Solution

The fourth proportional to 718,123.83, 1,077,222.65 and 185,649.47 is: 278,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,123.83 : 1,077,222.65 = 185,649.47 : x
  2. Step 2: Convert to fraction form
    718,123.83/1,077,222.65 = 185,649.47/x
  3. Step 3: Cross multiply
    718,123.83x = 1,077,222.65 × 185,649.47
  4. Step 4: Simplify right side
    718,123.83x = 199,985,811,769.72
  5. Step 5: Solve for x
    x = 199,985,811,769.72/718,123.83
  6. Step 6: Final answer
    x = 278,483.74

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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.