Home / 724,986.32-1,000,760.14-483,180.66

Finding the Fourth Proportional to 724,986.32, 1,000,760.14 and 483,180.66

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Solution

The fourth proportional to 724,986.32, 1,000,760.14 and 483,180.66 is: 666,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,986.32 : 1,000,760.14 = 483,180.66 : x
  2. Step 2: Convert to fraction form
    724,986.32/1,000,760.14 = 483,180.66/x
  3. Step 3: Cross multiply
    724,986.32x = 1,000,760.14 × 483,180.66
  4. Step 4: Simplify right side
    724,986.32x = 483,547,944,946.89
  5. Step 5: Solve for x
    x = 483,547,944,946.89/724,986.32
  6. Step 6: Final answer
    x = 666,975.27

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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.