Home / 745,528.14-1,118,621.34-578,499.66

Finding the Fourth Proportional to 745,528.14, 1,118,621.34 and 578,499.66

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Solution

The fourth proportional to 745,528.14, 1,118,621.34 and 578,499.66 is: 868,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,528.14 : 1,118,621.34 = 578,499.66 : x
  2. Step 2: Convert to fraction form
    745,528.14/1,118,621.34 = 578,499.66/x
  3. Step 3: Cross multiply
    745,528.14x = 1,118,621.34 × 578,499.66
  4. Step 4: Simplify right side
    745,528.14x = 647,122,064,858.75
  5. Step 5: Solve for x
    x = 647,122,064,858.75/745,528.14
  6. Step 6: Final answer
    x = 868,004.88

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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.