Home / 786,808.60-1,180,212.90-534,866.20

Finding the Fourth Proportional to 786,808.60, 1,180,212.90 and 534,866.20

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Solution

The fourth proportional to 786,808.60, 1,180,212.90 and 534,866.20 is: 802,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,808.60 : 1,180,212.90 = 534,866.20 : x
  2. Step 2: Convert to fraction form
    786,808.60/1,180,212.90 = 534,866.20/x
  3. Step 3: Cross multiply
    786,808.60x = 1,180,212.90 × 534,866.20
  4. Step 4: Simplify right side
    786,808.60x = 631,255,989,013.98
  5. Step 5: Solve for x
    x = 631,255,989,013.98/786,808.60
  6. Step 6: Final answer
    x = 802,299.30

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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.