Home / 886,988.40-1,330,482.60-513,740.40

Finding the Fourth Proportional to 886,988.40, 1,330,482.60 and 513,740.40

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Solution

The fourth proportional to 886,988.40, 1,330,482.60 and 513,740.40 is: 770,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,988.40 : 1,330,482.60 = 513,740.40 : x
  2. Step 2: Convert to fraction form
    886,988.40/1,330,482.60 = 513,740.40/x
  3. Step 3: Cross multiply
    886,988.40x = 1,330,482.60 × 513,740.40
  4. Step 4: Simplify right side
    886,988.40x = 683,522,663,117.04
  5. Step 5: Solve for x
    x = 683,522,663,117.04/886,988.40
  6. Step 6: Final answer
    x = 770,610.60

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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.