Home / 637,531.04-879,798.60-351,061.28

Finding the Fourth Proportional to 637,531.04, 879,798.60 and 351,061.28

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Solution

The fourth proportional to 637,531.04, 879,798.60 and 351,061.28 is: 484,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,531.04 : 879,798.60 = 351,061.28 : x
  2. Step 2: Convert to fraction form
    637,531.04/879,798.60 = 351,061.28/x
  3. Step 3: Cross multiply
    637,531.04x = 879,798.60 × 351,061.28
  4. Step 4: Simplify right side
    637,531.04x = 308,863,222,658.21
  5. Step 5: Solve for x
    x = 308,863,222,658.21/637,531.04
  6. Step 6: Final answer
    x = 484,467.74

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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.