Home / 758,871.94-1,047,202.15-419,318.32

Finding the Fourth Proportional to 758,871.94, 1,047,202.15 and 419,318.32

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Solution

The fourth proportional to 758,871.94, 1,047,202.15 and 419,318.32 is: 578,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,871.94 : 1,047,202.15 = 419,318.32 : x
  2. Step 2: Convert to fraction form
    758,871.94/1,047,202.15 = 419,318.32/x
  3. Step 3: Cross multiply
    758,871.94x = 1,047,202.15 × 419,318.32
  4. Step 4: Simplify right side
    758,871.94x = 439,111,041,002.38
  5. Step 5: Solve for x
    x = 439,111,041,002.38/758,871.94
  6. Step 6: Final answer
    x = 578,636.55

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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.