Home / 810,034.11-1,117,800.81-483,715.40

Finding the Fourth Proportional to 810,034.11, 1,117,800.81 and 483,715.40

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Solution

The fourth proportional to 810,034.11, 1,117,800.81 and 483,715.40 is: 667,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,034.11 : 1,117,800.81 = 483,715.40 : x
  2. Step 2: Convert to fraction form
    810,034.11/1,117,800.81 = 483,715.40/x
  3. Step 3: Cross multiply
    810,034.11x = 1,117,800.81 × 483,715.40
  4. Step 4: Simplify right side
    810,034.11x = 540,697,460,340.47
  5. Step 5: Solve for x
    x = 540,697,460,340.47/810,034.11
  6. Step 6: Final answer
    x = 667,499.62

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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.