Home / 649,577.10-975,349.80-499,986.30

Finding the Fourth Proportional to 649,577.10, 975,349.80 and 499,986.30

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Solution

The fourth proportional to 649,577.10, 975,349.80 and 499,986.30 is: 750,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,577.10 : 975,349.80 = 499,986.30 : x
  2. Step 2: Convert to fraction form
    649,577.10/975,349.80 = 499,986.30/x
  3. Step 3: Cross multiply
    649,577.10x = 975,349.80 × 499,986.30
  4. Step 4: Simplify right side
    649,577.10x = 487,661,537,707.74
  5. Step 5: Solve for x
    x = 487,661,537,707.74/649,577.10
  6. Step 6: Final answer
    x = 750,736.96

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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.