Home / 810,026.47-1,117,790.21-483,707.70

Finding the Fourth Proportional to 810,026.47, 1,117,790.21 and 483,707.70

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Solution

The fourth proportional to 810,026.47, 1,117,790.21 and 483,707.70 is: 667,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,026.47 : 1,117,790.21 = 483,707.70 : x
  2. Step 2: Convert to fraction form
    810,026.47/1,117,790.21 = 483,707.70/x
  3. Step 3: Cross multiply
    810,026.47x = 1,117,790.21 × 483,707.70
  4. Step 4: Simplify right side
    810,026.47x = 540,683,731,561.62
  5. Step 5: Solve for x
    x = 540,683,731,561.62/810,026.47
  6. Step 6: Final answer
    x = 667,488.97

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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.