Home / 745,803.97-1,029,216.26-451,460.45

Finding the Fourth Proportional to 745,803.97, 1,029,216.26 and 451,460.45

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Solution

The fourth proportional to 745,803.97, 1,029,216.26 and 451,460.45 is: 623,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,803.97 : 1,029,216.26 = 451,460.45 : x
  2. Step 2: Convert to fraction form
    745,803.97/1,029,216.26 = 451,460.45/x
  3. Step 3: Cross multiply
    745,803.97x = 1,029,216.26 × 451,460.45
  4. Step 4: Simplify right side
    745,803.97x = 464,650,437,049.14
  5. Step 5: Solve for x
    x = 464,650,437,049.14/745,803.97
  6. Step 6: Final answer
    x = 623,019.52

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Double scale
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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.