Home / 744,000.35-1,116,000.53-520,051.55

Finding the Fourth Proportional to 744,000.35, 1,116,000.53 and 520,051.55

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Solution

The fourth proportional to 744,000.35, 1,116,000.53 and 520,051.55 is: 780,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,000.35 : 1,116,000.53 = 520,051.55 : x
  2. Step 2: Convert to fraction form
    744,000.35/1,116,000.53 = 520,051.55/x
  3. Step 3: Cross multiply
    744,000.35x = 1,116,000.53 × 520,051.55
  4. Step 4: Simplify right side
    744,000.35x = 580,377,802,827.06
  5. Step 5: Solve for x
    x = 580,377,802,827.06/744,000.35
  6. Step 6: Final answer
    x = 780,077.33

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Double scale
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Similar ratio
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1.5x scale

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.