Home / 745,261.76-1,117,911.02-271,946.97

Finding the Fourth Proportional to 745,261.76, 1,117,911.02 and 271,946.97

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Solution

The fourth proportional to 745,261.76, 1,117,911.02 and 271,946.97 is: 407,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,261.76 : 1,117,911.02 = 271,946.97 : x
  2. Step 2: Convert to fraction form
    745,261.76/1,117,911.02 = 271,946.97/x
  3. Step 3: Cross multiply
    745,261.76x = 1,117,911.02 × 271,946.97
  4. Step 4: Simplify right side
    745,261.76x = 304,012,514,618.61
  5. Step 5: Solve for x
    x = 304,012,514,618.61/745,261.76
  6. Step 6: Final answer
    x = 407,927.16

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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.