Home / 759,099.26-1,047,142.26-486,864.20

Finding the Fourth Proportional to 759,099.26, 1,047,142.26 and 486,864.20

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Solution

The fourth proportional to 759,099.26, 1,047,142.26 and 486,864.20 is: 671,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,099.26 : 1,047,142.26 = 486,864.20 : x
  2. Step 2: Convert to fraction form
    759,099.26/1,047,142.26 = 486,864.20/x
  3. Step 3: Cross multiply
    759,099.26x = 1,047,142.26 × 486,864.20
  4. Step 4: Simplify right side
    759,099.26x = 509,816,073,465.38
  5. Step 5: Solve for x
    x = 509,816,073,465.38/759,099.26
  6. Step 6: Final answer
    x = 671,606.60

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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.