Home / 882,837.64-1,218,231.78-495,564.40

Finding the Fourth Proportional to 882,837.64, 1,218,231.78 and 495,564.40

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Solution

The fourth proportional to 882,837.64, 1,218,231.78 and 495,564.40 is: 683,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,837.64 : 1,218,231.78 = 495,564.40 : x
  2. Step 2: Convert to fraction form
    882,837.64/1,218,231.78 = 495,564.40/x
  3. Step 3: Cross multiply
    882,837.64x = 1,218,231.78 × 495,564.40
  4. Step 4: Simplify right side
    882,837.64x = 603,712,301,116.63
  5. Step 5: Solve for x
    x = 603,712,301,116.63/882,837.64
  6. Step 6: Final answer
    x = 683,831.63

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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.