Home / 649,966.80-975,180.94-290,104.89

Finding the Fourth Proportional to 649,966.80, 975,180.94 and 290,104.89

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Solution

The fourth proportional to 649,966.80, 975,180.94 and 290,104.89 is: 435,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,966.80 : 975,180.94 = 290,104.89 : x
  2. Step 2: Convert to fraction form
    649,966.80/975,180.94 = 290,104.89/x
  3. Step 3: Cross multiply
    649,966.80x = 975,180.94 × 290,104.89
  4. Step 4: Simplify right side
    649,966.80x = 282,904,759,328.80
  5. Step 5: Solve for x
    x = 282,904,759,328.80/649,966.80
  6. Step 6: Final answer
    x = 435,260.32

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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.