Home / 626,956.63-865,465.05-423,283.48

Finding the Fourth Proportional to 626,956.63, 865,465.05 and 423,283.48

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Solution

The fourth proportional to 626,956.63, 865,465.05 and 423,283.48 is: 584,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,956.63 : 865,465.05 = 423,283.48 : x
  2. Step 2: Convert to fraction form
    626,956.63/865,465.05 = 423,283.48/x
  3. Step 3: Cross multiply
    626,956.63x = 865,465.05 × 423,283.48
  4. Step 4: Simplify right side
    626,956.63x = 366,337,057,606.02
  5. Step 5: Solve for x
    x = 366,337,057,606.02/626,956.63
  6. Step 6: Final answer
    x = 584,310.05

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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.