Home / 849,683.56-1,172,426.10-487,040.68

Finding the Fourth Proportional to 849,683.56, 1,172,426.10 and 487,040.68

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Solution

The fourth proportional to 849,683.56, 1,172,426.10 and 487,040.68 is: 672,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,683.56 : 1,172,426.10 = 487,040.68 : x
  2. Step 2: Convert to fraction form
    849,683.56/1,172,426.10 = 487,040.68/x
  3. Step 3: Cross multiply
    849,683.56x = 1,172,426.10 × 487,040.68
  4. Step 4: Simplify right side
    849,683.56x = 571,019,204,993.75
  5. Step 5: Solve for x
    x = 571,019,204,993.75/849,683.56
  6. Step 6: Final answer
    x = 672,037.49

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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.