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Finding the Fourth Proportional to 605,087.15, 834,925.86 and 350,389.13

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Solution

The fourth proportional to 605,087.15, 834,925.86 and 350,389.13 is: 483,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,087.15 : 834,925.86 = 350,389.13 : x
  2. Step 2: Convert to fraction form
    605,087.15/834,925.86 = 350,389.13/x
  3. Step 3: Cross multiply
    605,087.15x = 834,925.86 × 350,389.13
  4. Step 4: Simplify right side
    605,087.15x = 292,548,941,525.27
  5. Step 5: Solve for x
    x = 292,548,941,525.27/605,087.15
  6. Step 6: Final answer
    x = 483,482.33

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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.