Home / 865,692.40-1,298,538.60-546,827.80

Finding the Fourth Proportional to 865,692.40, 1,298,538.60 and 546,827.80

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Solution

The fourth proportional to 865,692.40, 1,298,538.60 and 546,827.80 is: 820,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,692.40 : 1,298,538.60 = 546,827.80 : x
  2. Step 2: Convert to fraction form
    865,692.40/1,298,538.60 = 546,827.80/x
  3. Step 3: Cross multiply
    865,692.40x = 1,298,538.60 × 546,827.80
  4. Step 4: Simplify right side
    865,692.40x = 710,077,005,853.08
  5. Step 5: Solve for x
    x = 710,077,005,853.08/865,692.40
  6. Step 6: Final answer
    x = 820,241.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.