Home / 786,938.20-1,178,657.70-608,867.80

Finding the Fourth Proportional to 786,938.20, 1,178,657.70 and 608,867.80

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Solution

The fourth proportional to 786,938.20, 1,178,657.70 and 608,867.80 is: 911,948.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,938.20 : 1,178,657.70 = 608,867.80 : x
  2. Step 2: Convert to fraction form
    786,938.20/1,178,657.70 = 608,867.80/x
  3. Step 3: Cross multiply
    786,938.20x = 1,178,657.70 × 608,867.80
  4. Step 4: Simplify right side
    786,938.20x = 717,646,720,752.06
  5. Step 5: Solve for x
    x = 717,646,720,752.06/786,938.20
  6. Step 6: Final answer
    x = 911,948.00

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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.