Home / 760,199.31-1,140,200.55-254,641.47

Finding the Fourth Proportional to 760,199.31, 1,140,200.55 and 254,641.47

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Solution

The fourth proportional to 760,199.31, 1,140,200.55 and 254,641.47 is: 381,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,199.31 : 1,140,200.55 = 254,641.47 : x
  2. Step 2: Convert to fraction form
    760,199.31/1,140,200.55 = 254,641.47/x
  3. Step 3: Cross multiply
    760,199.31x = 1,140,200.55 × 254,641.47
  4. Step 4: Simplify right side
    760,199.31x = 290,342,344,146.81
  5. Step 5: Solve for x
    x = 290,342,344,146.81/760,199.31
  6. Step 6: Final answer
    x = 381,929.24

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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.