Home / 900,956.16-1,243,330.56-498,585.60

Finding the Fourth Proportional to 900,956.16, 1,243,330.56 and 498,585.60

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Solution

The fourth proportional to 900,956.16, 1,243,330.56 and 498,585.60 is: 688,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,956.16 : 1,243,330.56 = 498,585.60 : x
  2. Step 2: Convert to fraction form
    900,956.16/1,243,330.56 = 498,585.60/x
  3. Step 3: Cross multiply
    900,956.16x = 1,243,330.56 × 498,585.60
  4. Step 4: Simplify right side
    900,956.16x = 619,906,713,255.94
  5. Step 5: Solve for x
    x = 619,906,713,255.94/900,956.16
  6. Step 6: Final answer
    x = 688,054.25

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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.