Home / 867,062.70-1,300,569.60-235,981.98

Finding the Fourth Proportional to 867,062.70, 1,300,569.60 and 235,981.98

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Solution

The fourth proportional to 867,062.70, 1,300,569.60 and 235,981.98 is: 353,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,062.70 : 1,300,569.60 = 235,981.98 : x
  2. Step 2: Convert to fraction form
    867,062.70/1,300,569.60 = 235,981.98/x
  3. Step 3: Cross multiply
    867,062.70x = 1,300,569.60 × 235,981.98
  4. Step 4: Simplify right side
    867,062.70x = 306,910,989,335.81
  5. Step 5: Solve for x
    x = 306,910,989,335.81/867,062.70
  6. Step 6: Final answer
    x = 353,966.32

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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.