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Finding the Fourth Proportional to 637,403.56, 879,599.90 and 350,925.80

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Solution

The fourth proportional to 637,403.56, 879,599.90 and 350,925.80 is: 484,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,403.56 : 879,599.90 = 350,925.80 : x
  2. Step 2: Convert to fraction form
    637,403.56/879,599.90 = 350,925.80/x
  3. Step 3: Cross multiply
    637,403.56x = 879,599.90 × 350,925.80
  4. Step 4: Simplify right side
    637,403.56x = 308,674,298,587.42
  5. Step 5: Solve for x
    x = 308,674,298,587.42/637,403.56
  6. Step 6: Final answer
    x = 484,268.24

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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.