Home / 787,734.92-1,087,068.66-430,038.92

Finding the Fourth Proportional to 787,734.92, 1,087,068.66 and 430,038.92

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Solution

The fourth proportional to 787,734.92, 1,087,068.66 and 430,038.92 is: 593,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,734.92 : 1,087,068.66 = 430,038.92 : x
  2. Step 2: Convert to fraction form
    787,734.92/1,087,068.66 = 430,038.92/x
  3. Step 3: Cross multiply
    787,734.92x = 1,087,068.66 × 430,038.92
  4. Step 4: Simplify right side
    787,734.92x = 467,481,832,512.25
  5. Step 5: Solve for x
    x = 467,481,832,512.25/787,734.92
  6. Step 6: Final answer
    x = 593,450.69

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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.