Home / 870,262.72-1,200,943.53-483,055.38

Finding the Fourth Proportional to 870,262.72, 1,200,943.53 and 483,055.38

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Solution

The fourth proportional to 870,262.72, 1,200,943.53 and 483,055.38 is: 666,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,262.72 : 1,200,943.53 = 483,055.38 : x
  2. Step 2: Convert to fraction form
    870,262.72/1,200,943.53 = 483,055.38/x
  3. Step 3: Cross multiply
    870,262.72x = 1,200,943.53 × 483,055.38
  4. Step 4: Simplify right side
    870,262.72x = 580,122,233,242.69
  5. Step 5: Solve for x
    x = 580,122,233,242.69/870,262.72
  6. Step 6: Final answer
    x = 666,605.87

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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.