Home / 745,523.64-1,118,614.59-578,495.16

Finding the Fourth Proportional to 745,523.64, 1,118,614.59 and 578,495.16

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Solution

The fourth proportional to 745,523.64, 1,118,614.59 and 578,495.16 is: 867,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,523.64 : 1,118,614.59 = 578,495.16 : x
  2. Step 2: Convert to fraction form
    745,523.64/1,118,614.59 = 578,495.16/x
  3. Step 3: Cross multiply
    745,523.64x = 1,118,614.59 × 578,495.16
  4. Step 4: Simplify right side
    745,523.64x = 647,113,126,220.39
  5. Step 5: Solve for x
    x = 647,113,126,220.39/745,523.64
  6. Step 6: Final answer
    x = 867,998.13

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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.