Home / 730,422.83-1,007,988.57-408,146.51

Finding the Fourth Proportional to 730,422.83, 1,007,988.57 and 408,146.51

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Solution

The fourth proportional to 730,422.83, 1,007,988.57 and 408,146.51 is: 563,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,422.83 : 1,007,988.57 = 408,146.51 : x
  2. Step 2: Convert to fraction form
    730,422.83/1,007,988.57 = 408,146.51/x
  3. Step 3: Cross multiply
    730,422.83x = 1,007,988.57 × 408,146.51
  4. Step 4: Simplify right side
    730,422.83x = 411,407,011,925.45
  5. Step 5: Solve for x
    x = 411,407,011,925.45/730,422.83
  6. Step 6: Final answer
    x = 563,245.01

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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.