Home / 767,461.92-1,058,839.52-445,054.40

Finding the Fourth Proportional to 767,461.92, 1,058,839.52 and 445,054.40

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Solution

The fourth proportional to 767,461.92, 1,058,839.52 and 445,054.40 is: 614,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,461.92 : 1,058,839.52 = 445,054.40 : x
  2. Step 2: Convert to fraction form
    767,461.92/1,058,839.52 = 445,054.40/x
  3. Step 3: Cross multiply
    767,461.92x = 1,058,839.52 × 445,054.40
  4. Step 4: Simplify right side
    767,461.92x = 471,241,187,269.89
  5. Step 5: Solve for x
    x = 471,241,187,269.89/767,461.92
  6. Step 6: Final answer
    x = 614,025.50

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Double scale
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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.