Home / 571,581.02-788,600.40-329,831.66

Finding the Fourth Proportional to 571,581.02, 788,600.40 and 329,831.66

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Solution

The fourth proportional to 571,581.02, 788,600.40 and 329,831.66 is: 455,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,581.02 : 788,600.40 = 329,831.66 : x
  2. Step 2: Convert to fraction form
    571,581.02/788,600.40 = 329,831.66/x
  3. Step 3: Cross multiply
    571,581.02x = 788,600.40 × 329,831.66
  4. Step 4: Simplify right side
    571,581.02x = 260,105,379,008.66
  5. Step 5: Solve for x
    x = 260,105,379,008.66/571,581.02
  6. Step 6: Final answer
    x = 455,063.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.