Home / 637,549.32-879,823.80-351,070.56

Finding the Fourth Proportional to 637,549.32, 879,823.80 and 351,070.56

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Solution

The fourth proportional to 637,549.32, 879,823.80 and 351,070.56 is: 484,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,549.32 : 879,823.80 = 351,070.56 : x
  2. Step 2: Convert to fraction form
    637,549.32/879,823.80 = 351,070.56/x
  3. Step 3: Cross multiply
    637,549.32x = 879,823.80 × 351,070.56
  4. Step 4: Simplify right side
    637,549.32x = 308,880,234,167.33
  5. Step 5: Solve for x
    x = 308,880,234,167.33/637,549.32
  6. Step 6: Final answer
    x = 484,480.53

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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.