Home / 926,766.91-1,389,881.85-278,316.94

Finding the Fourth Proportional to 926,766.91, 1,389,881.85 and 278,316.94

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Solution

The fourth proportional to 926,766.91, 1,389,881.85 and 278,316.94 is: 417,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,766.91 : 1,389,881.85 = 278,316.94 : x
  2. Step 2: Convert to fraction form
    926,766.91/1,389,881.85 = 278,316.94/x
  3. Step 3: Cross multiply
    926,766.91x = 1,389,881.85 × 278,316.94
  4. Step 4: Simplify right side
    926,766.91x = 386,827,663,453.54
  5. Step 5: Solve for x
    x = 386,827,663,453.54/926,766.91
  6. Step 6: Final answer
    x = 417,394.77

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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.