Home / 679,513.60-1,019,270.40-364,585.60

Finding the Fourth Proportional to 679,513.60, 1,019,270.40 and 364,585.60

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Solution

The fourth proportional to 679,513.60, 1,019,270.40 and 364,585.60 is: 546,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,513.60 : 1,019,270.40 = 364,585.60 : x
  2. Step 2: Convert to fraction form
    679,513.60/1,019,270.40 = 364,585.60/x
  3. Step 3: Cross multiply
    679,513.60x = 1,019,270.40 × 364,585.60
  4. Step 4: Simplify right side
    679,513.60x = 371,611,310,346.24
  5. Step 5: Solve for x
    x = 371,611,310,346.24/679,513.60
  6. Step 6: Final answer
    x = 546,878.40

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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.