Home / 649,051.32-900,273.45-631,788.60

Finding the Fourth Proportional to 649,051.32, 900,273.45 and 631,788.60

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Solution

The fourth proportional to 649,051.32, 900,273.45 and 631,788.60 is: 876,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,051.32 : 900,273.45 = 631,788.60 : x
  2. Step 2: Convert to fraction form
    649,051.32/900,273.45 = 631,788.60/x
  3. Step 3: Cross multiply
    649,051.32x = 900,273.45 × 631,788.60
  4. Step 4: Simplify right side
    649,051.32x = 568,782,502,592.67
  5. Step 5: Solve for x
    x = 568,782,502,592.67/649,051.32
  6. Step 6: Final answer
    x = 876,329.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.