Home / 649,909.80-896,869.38-363,426.60

Finding the Fourth Proportional to 649,909.80, 896,869.38 and 363,426.60

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Solution

The fourth proportional to 649,909.80, 896,869.38 and 363,426.60 is: 501,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,909.80 : 896,869.38 = 363,426.60 : x
  2. Step 2: Convert to fraction form
    649,909.80/896,869.38 = 363,426.60/x
  3. Step 3: Cross multiply
    649,909.80x = 896,869.38 × 363,426.60
  4. Step 4: Simplify right side
    649,909.80x = 325,946,189,417.51
  5. Step 5: Solve for x
    x = 325,946,189,417.51/649,909.80
  6. Step 6: Final answer
    x = 501,525.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.