Home / 767,007.52-1,058,506.41-427,478.20

Finding the Fourth Proportional to 767,007.52, 1,058,506.41 and 427,478.20

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Solution

The fourth proportional to 767,007.52, 1,058,506.41 and 427,478.20 is: 589,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,007.52 : 1,058,506.41 = 427,478.20 : x
  2. Step 2: Convert to fraction form
    767,007.52/1,058,506.41 = 427,478.20/x
  3. Step 3: Cross multiply
    767,007.52x = 1,058,506.41 × 427,478.20
  4. Step 4: Simplify right side
    767,007.52x = 452,488,413,792.04
  5. Step 5: Solve for x
    x = 452,488,413,792.04/767,007.52
  6. Step 6: Final answer
    x = 589,940.00

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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.