Home / 730,424.41-1,007,966.34-408,137.15

Finding the Fourth Proportional to 730,424.41, 1,007,966.34 and 408,137.15

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Solution

The fourth proportional to 730,424.41, 1,007,966.34 and 408,137.15 is: 563,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,424.41 : 1,007,966.34 = 408,137.15 : x
  2. Step 2: Convert to fraction form
    730,424.41/1,007,966.34 = 408,137.15/x
  3. Step 3: Cross multiply
    730,424.41x = 1,007,966.34 × 408,137.15
  4. Step 4: Simplify right side
    730,424.41x = 411,388,511,823.45
  5. Step 5: Solve for x
    x = 411,388,511,823.45/730,424.41
  6. Step 6: Final answer
    x = 563,218.46

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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.