Home / 900,881.62-1,243,216.75-492,983.55

Finding the Fourth Proportional to 900,881.62, 1,243,216.75 and 492,983.55

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Solution

The fourth proportional to 900,881.62, 1,243,216.75 and 492,983.55 is: 680,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,881.62 : 1,243,216.75 = 492,983.55 : x
  2. Step 2: Convert to fraction form
    900,881.62/1,243,216.75 = 492,983.55/x
  3. Step 3: Cross multiply
    900,881.62x = 1,243,216.75 × 492,983.55
  4. Step 4: Simplify right side
    900,881.62x = 612,885,406,834.46
  5. Step 5: Solve for x
    x = 612,885,406,834.46/900,881.62
  6. Step 6: Final answer
    x = 680,317.36

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1.5x scale

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.