Home / 926,222.06-1,278,240.31-518,320.38

Finding the Fourth Proportional to 926,222.06, 1,278,240.31 and 518,320.38

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Solution

The fourth proportional to 926,222.06, 1,278,240.31 and 518,320.38 is: 715,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,222.06 : 1,278,240.31 = 518,320.38 : x
  2. Step 2: Convert to fraction form
    926,222.06/1,278,240.31 = 518,320.38/x
  3. Step 3: Cross multiply
    926,222.06x = 1,278,240.31 × 518,320.38
  4. Step 4: Simplify right side
    926,222.06x = 662,538,003,210.52
  5. Step 5: Solve for x
    x = 662,538,003,210.52/926,222.06
  6. Step 6: Final answer
    x = 715,312.27

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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.