Home / 814,581.81-1,221,983.88-473,185.65

Finding the Fourth Proportional to 814,581.81, 1,221,983.88 and 473,185.65

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Solution

The fourth proportional to 814,581.81, 1,221,983.88 and 473,185.65 is: 709,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,581.81 : 1,221,983.88 = 473,185.65 : x
  2. Step 2: Convert to fraction form
    814,581.81/1,221,983.88 = 473,185.65/x
  3. Step 3: Cross multiply
    814,581.81x = 1,221,983.88 × 473,185.65
  4. Step 4: Simplify right side
    814,581.81x = 578,225,236,547.32
  5. Step 5: Solve for x
    x = 578,225,236,547.32/814,581.81
  6. Step 6: Final answer
    x = 709,843.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.