Home / 767,017.34-1,058,520.09-427,488.02

Finding the Fourth Proportional to 767,017.34, 1,058,520.09 and 427,488.02

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Solution

The fourth proportional to 767,017.34, 1,058,520.09 and 427,488.02 is: 589,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,017.34 : 1,058,520.09 = 427,488.02 : x
  2. Step 2: Convert to fraction form
    767,017.34/1,058,520.09 = 427,488.02/x
  3. Step 3: Cross multiply
    767,017.34x = 1,058,520.09 × 427,488.02
  4. Step 4: Simplify right side
    767,017.34x = 452,504,657,404.32
  5. Step 5: Solve for x
    x = 452,504,657,404.32/767,017.34
  6. Step 6: Final answer
    x = 589,953.62

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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.