Home / 748,172.26-1,032,477.72-408,641.32

Finding the Fourth Proportional to 748,172.26, 1,032,477.72 and 408,641.32

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Solution

The fourth proportional to 748,172.26, 1,032,477.72 and 408,641.32 is: 563,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,172.26 : 1,032,477.72 = 408,641.32 : x
  2. Step 2: Convert to fraction form
    748,172.26/1,032,477.72 = 408,641.32/x
  3. Step 3: Cross multiply
    748,172.26x = 1,032,477.72 × 408,641.32
  4. Step 4: Simplify right side
    748,172.26x = 421,913,058,371.39
  5. Step 5: Solve for x
    x = 421,913,058,371.39/748,172.26
  6. Step 6: Final answer
    x = 563,925.02

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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.