Home / 890,496.82-1,229,017.51-563,840.19

Finding the Fourth Proportional to 890,496.82, 1,229,017.51 and 563,840.19

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Solution

The fourth proportional to 890,496.82, 1,229,017.51 and 563,840.19 is: 778,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,496.82 : 1,229,017.51 = 563,840.19 : x
  2. Step 2: Convert to fraction form
    890,496.82/1,229,017.51 = 563,840.19/x
  3. Step 3: Cross multiply
    890,496.82x = 1,229,017.51 × 563,840.19
  4. Step 4: Simplify right side
    890,496.82x = 692,969,473,286.03
  5. Step 5: Solve for x
    x = 692,969,473,286.03/890,496.82
  6. Step 6: Final answer
    x = 778,182.98

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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.