Home / 817,319.78-1,127,883.70-473,170.25

Finding the Fourth Proportional to 817,319.78, 1,127,883.70 and 473,170.25

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Solution

The fourth proportional to 817,319.78, 1,127,883.70 and 473,170.25 is: 652,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,319.78 : 1,127,883.70 = 473,170.25 : x
  2. Step 2: Convert to fraction form
    817,319.78/1,127,883.70 = 473,170.25/x
  3. Step 3: Cross multiply
    817,319.78x = 1,127,883.70 × 473,170.25
  4. Step 4: Simplify right side
    817,319.78x = 533,681,013,936.71
  5. Step 5: Solve for x
    x = 533,681,013,936.71/817,319.78
  6. Step 6: Final answer
    x = 652,964.76

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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.