Home / 680,939.60-1,021,409.40-607,456.40

Finding the Fourth Proportional to 680,939.60, 1,021,409.40 and 607,456.40

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Solution

The fourth proportional to 680,939.60, 1,021,409.40 and 607,456.40 is: 911,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,939.60 : 1,021,409.40 = 607,456.40 : x
  2. Step 2: Convert to fraction form
    680,939.60/1,021,409.40 = 607,456.40/x
  3. Step 3: Cross multiply
    680,939.60x = 1,021,409.40 × 607,456.40
  4. Step 4: Simplify right side
    680,939.60x = 620,461,677,050.16
  5. Step 5: Solve for x
    x = 620,461,677,050.16/680,939.60
  6. Step 6: Final answer
    x = 911,184.60

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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.