Home / 720,943.93-1,081,652.63-294,838.11

Finding the Fourth Proportional to 720,943.93, 1,081,652.63 and 294,838.11

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Solution

The fourth proportional to 720,943.93, 1,081,652.63 and 294,838.11 is: 442,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,943.93 : 1,081,652.63 = 294,838.11 : x
  2. Step 2: Convert to fraction form
    720,943.93/1,081,652.63 = 294,838.11/x
  3. Step 3: Cross multiply
    720,943.93x = 1,081,652.63 × 294,838.11
  4. Step 4: Simplify right side
    720,943.93x = 318,912,417,290.00
  5. Step 5: Solve for x
    x = 318,912,417,290.00/720,943.93
  6. Step 6: Final answer
    x = 442,353.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.