Home / 760,506.71-1,140,725.45-255,028.82

Finding the Fourth Proportional to 760,506.71, 1,140,725.45 and 255,028.82

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Solution

The fourth proportional to 760,506.71, 1,140,725.45 and 255,028.82 is: 382,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,506.71 : 1,140,725.45 = 255,028.82 : x
  2. Step 2: Convert to fraction form
    760,506.71/1,140,725.45 = 255,028.82/x
  3. Step 3: Cross multiply
    760,506.71x = 1,140,725.45 × 255,028.82
  4. Step 4: Simplify right side
    760,506.71x = 290,917,865,373.46
  5. Step 5: Solve for x
    x = 290,917,865,373.46/760,506.71
  6. Step 6: Final answer
    x = 382,531.62

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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.