Home / 760,508.71-1,140,728.45-255,030.82

Finding the Fourth Proportional to 760,508.71, 1,140,728.45 and 255,030.82

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Solution

The fourth proportional to 760,508.71, 1,140,728.45 and 255,030.82 is: 382,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,508.71 : 1,140,728.45 = 255,030.82 : x
  2. Step 2: Convert to fraction form
    760,508.71/1,140,728.45 = 255,030.82/x
  3. Step 3: Cross multiply
    760,508.71x = 1,140,728.45 × 255,030.82
  4. Step 4: Simplify right side
    760,508.71x = 290,920,912,000.83
  5. Step 5: Solve for x
    x = 290,920,912,000.83/760,508.71
  6. Step 6: Final answer
    x = 382,534.62

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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.