Home / 787,707.61-1,084,749.23-684,294.71

Finding the Fourth Proportional to 787,707.61, 1,084,749.23 and 684,294.71

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Solution

The fourth proportional to 787,707.61, 1,084,749.23 and 684,294.71 is: 942,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,707.61 : 1,084,749.23 = 684,294.71 : x
  2. Step 2: Convert to fraction form
    787,707.61/1,084,749.23 = 684,294.71/x
  3. Step 3: Cross multiply
    787,707.61x = 1,084,749.23 × 684,294.71
  4. Step 4: Simplify right side
    787,707.61x = 742,288,156,052.56
  5. Step 5: Solve for x
    x = 742,288,156,052.56/787,707.61
  6. Step 6: Final answer
    x = 942,339.71

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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.