Home / 637,487.51-879,733.71-351,008.42

Finding the Fourth Proportional to 637,487.51, 879,733.71 and 351,008.42

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Solution

The fourth proportional to 637,487.51, 879,733.71 and 351,008.42 is: 484,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,487.51 : 879,733.71 = 351,008.42 : x
  2. Step 2: Convert to fraction form
    637,487.51/879,733.71 = 351,008.42/x
  3. Step 3: Cross multiply
    637,487.51x = 879,733.71 × 351,008.42
  4. Step 4: Simplify right side
    637,487.51x = 308,793,935,169.17
  5. Step 5: Solve for x
    x = 308,793,935,169.17/637,487.51
  6. Step 6: Final answer
    x = 484,392.14

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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.