Home / 745,134.77-1,028,144.26-473,246.93

Finding the Fourth Proportional to 745,134.77, 1,028,144.26 and 473,246.93

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Solution

The fourth proportional to 745,134.77, 1,028,144.26 and 473,246.93 is: 652,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,134.77 : 1,028,144.26 = 473,246.93 : x
  2. Step 2: Convert to fraction form
    745,134.77/1,028,144.26 = 473,246.93/x
  3. Step 3: Cross multiply
    745,134.77x = 1,028,144.26 × 473,246.93
  4. Step 4: Simplify right side
    745,134.77x = 486,566,114,642.12
  5. Step 5: Solve for x
    x = 486,566,114,642.12/745,134.77
  6. Step 6: Final answer
    x = 652,990.75

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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.