Home / 718,327.80-1,077,491.70-578,359.80

Finding the Fourth Proportional to 718,327.80, 1,077,491.70 and 578,359.80

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Solution

The fourth proportional to 718,327.80, 1,077,491.70 and 578,359.80 is: 867,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,327.80 : 1,077,491.70 = 578,359.80 : x
  2. Step 2: Convert to fraction form
    718,327.80/1,077,491.70 = 578,359.80/x
  3. Step 3: Cross multiply
    718,327.80x = 1,077,491.70 × 578,359.80
  4. Step 4: Simplify right side
    718,327.80x = 623,177,884,113.66
  5. Step 5: Solve for x
    x = 623,177,884,113.66/718,327.80
  6. Step 6: Final answer
    x = 867,539.70

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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.