Home / 626,943.47-865,446.81-423,270.24

Finding the Fourth Proportional to 626,943.47, 865,446.81 and 423,270.24

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Solution

The fourth proportional to 626,943.47, 865,446.81 and 423,270.24 is: 584,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,943.47 : 865,446.81 = 423,270.24 : x
  2. Step 2: Convert to fraction form
    626,943.47/865,446.81 = 423,270.24/x
  3. Step 3: Cross multiply
    626,943.47x = 865,446.81 × 423,270.24
  4. Step 4: Simplify right side
    626,943.47x = 366,317,878,975.93
  5. Step 5: Solve for x
    x = 366,317,878,975.93/626,943.47
  6. Step 6: Final answer
    x = 584,291.73

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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.