Home / 745,571.74-1,028,747.64-473,683.90

Finding the Fourth Proportional to 745,571.74, 1,028,747.64 and 473,683.90

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Solution

The fourth proportional to 745,571.74, 1,028,747.64 and 473,683.90 is: 653,593.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,571.74 : 1,028,747.64 = 473,683.90 : x
  2. Step 2: Convert to fraction form
    745,571.74/1,028,747.64 = 473,683.90/x
  3. Step 3: Cross multiply
    745,571.74x = 1,028,747.64 × 473,683.90
  4. Step 4: Simplify right side
    745,571.74x = 487,301,194,231.00
  5. Step 5: Solve for x
    x = 487,301,194,231.00/745,571.74
  6. Step 6: Final answer
    x = 653,593.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.