Home / 864,467.31-1,192,854.84-482,510.19

Finding the Fourth Proportional to 864,467.31, 1,192,854.84 and 482,510.19

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Solution

The fourth proportional to 864,467.31, 1,192,854.84 and 482,510.19 is: 665,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,467.31 : 1,192,854.84 = 482,510.19 : x
  2. Step 2: Convert to fraction form
    864,467.31/1,192,854.84 = 482,510.19/x
  3. Step 3: Cross multiply
    864,467.31x = 1,192,854.84 × 482,510.19
  4. Step 4: Simplify right side
    864,467.31x = 575,564,615,490.82
  5. Step 5: Solve for x
    x = 575,564,615,490.82/864,467.31
  6. Step 6: Final answer
    x = 665,802.64

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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.