Home / 908,734.01-1,254,467.31-647,257.65

Finding the Fourth Proportional to 908,734.01, 1,254,467.31 and 647,257.65

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Solution

The fourth proportional to 908,734.01, 1,254,467.31 and 647,257.65 is: 893,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,734.01 : 1,254,467.31 = 647,257.65 : x
  2. Step 2: Convert to fraction form
    908,734.01/1,254,467.31 = 647,257.65/x
  3. Step 3: Cross multiply
    908,734.01x = 1,254,467.31 × 647,257.65
  4. Step 4: Simplify right side
    908,734.01x = 811,963,563,072.42
  5. Step 5: Solve for x
    x = 811,963,563,072.42/908,734.01
  6. Step 6: Final answer
    x = 893,510.71

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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.