Home / 762,942.32-1,144,413.48-406,877.60

Finding the Fourth Proportional to 762,942.32, 1,144,413.48 and 406,877.60

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Solution

The fourth proportional to 762,942.32, 1,144,413.48 and 406,877.60 is: 610,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,942.32 : 1,144,413.48 = 406,877.60 : x
  2. Step 2: Convert to fraction form
    762,942.32/1,144,413.48 = 406,877.60/x
  3. Step 3: Cross multiply
    762,942.32x = 1,144,413.48 × 406,877.60
  4. Step 4: Simplify right side
    762,942.32x = 465,636,210,150.05
  5. Step 5: Solve for x
    x = 465,636,210,150.05/762,942.32
  6. Step 6: Final answer
    x = 610,316.40

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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.