Home / 767,869.40-1,151,804.10-488,624.60

Finding the Fourth Proportional to 767,869.40, 1,151,804.10 and 488,624.60

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Solution

The fourth proportional to 767,869.40, 1,151,804.10 and 488,624.60 is: 732,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,869.40 : 1,151,804.10 = 488,624.60 : x
  2. Step 2: Convert to fraction form
    767,869.40/1,151,804.10 = 488,624.60/x
  3. Step 3: Cross multiply
    767,869.40x = 1,151,804.10 × 488,624.60
  4. Step 4: Simplify right side
    767,869.40x = 562,799,817,640.86
  5. Step 5: Solve for x
    x = 562,799,817,640.86/767,869.40
  6. Step 6: Final answer
    x = 732,936.90

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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.