Home / 760,340.13-1,140,763.55-254,951.07

Finding the Fourth Proportional to 760,340.13, 1,140,763.55 and 254,951.07

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Solution

The fourth proportional to 760,340.13, 1,140,763.55 and 254,951.07 is: 382,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,340.13 : 1,140,763.55 = 254,951.07 : x
  2. Step 2: Convert to fraction form
    760,340.13/1,140,763.55 = 254,951.07/x
  3. Step 3: Cross multiply
    760,340.13x = 1,140,763.55 × 254,951.07
  4. Step 4: Simplify right side
    760,340.13x = 290,838,886,414.74
  5. Step 5: Solve for x
    x = 290,838,886,414.74/760,340.13
  6. Step 6: Final answer
    x = 382,511.56

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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.