Home / 730,667.07-1,008,288.86-399,516.95

Finding the Fourth Proportional to 730,667.07, 1,008,288.86 and 399,516.95

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Solution

The fourth proportional to 730,667.07, 1,008,288.86 and 399,516.95 is: 551,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,667.07 : 1,008,288.86 = 399,516.95 : x
  2. Step 2: Convert to fraction form
    730,667.07/1,008,288.86 = 399,516.95/x
  3. Step 3: Cross multiply
    730,667.07x = 1,008,288.86 × 399,516.95
  4. Step 4: Simplify right side
    730,667.07x = 402,828,490,589.31
  5. Step 5: Solve for x
    x = 402,828,490,589.31/730,667.07
  6. Step 6: Final answer
    x = 551,316.06

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1.5x scale

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.