Home / 771,780.95-1,157,053.21-366,769.91

Finding the Fourth Proportional to 771,780.95, 1,157,053.21 and 366,769.91

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Solution

The fourth proportional to 771,780.95, 1,157,053.21 and 366,769.91 is: 549,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,780.95 : 1,157,053.21 = 366,769.91 : x
  2. Step 2: Convert to fraction form
    771,780.95/1,157,053.21 = 366,769.91/x
  3. Step 3: Cross multiply
    771,780.95x = 1,157,053.21 × 366,769.91
  4. Step 4: Simplify right side
    771,780.95x = 424,372,303,672.62
  5. Step 5: Solve for x
    x = 424,372,303,672.62/771,780.95
  6. Step 6: Final answer
    x = 549,861.08

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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.