Home / 683,955.79-943,369.45-480,052.20

Finding the Fourth Proportional to 683,955.79, 943,369.45 and 480,052.20

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Solution

The fourth proportional to 683,955.79, 943,369.45 and 480,052.20 is: 662,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,955.79 : 943,369.45 = 480,052.20 : x
  2. Step 2: Convert to fraction form
    683,955.79/943,369.45 = 480,052.20/x
  3. Step 3: Cross multiply
    683,955.79x = 943,369.45 × 480,052.20
  4. Step 4: Simplify right side
    683,955.79x = 452,866,579,885.29
  5. Step 5: Solve for x
    x = 452,866,579,885.29/683,955.79
  6. Step 6: Final answer
    x = 662,128.44

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Double scale
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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.