Home / 723,395.57-1,084,721.56-424,465.47

Finding the Fourth Proportional to 723,395.57, 1,084,721.56 and 424,465.47

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Solution

The fourth proportional to 723,395.57, 1,084,721.56 and 424,465.47 is: 636,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,395.57 : 1,084,721.56 = 424,465.47 : x
  2. Step 2: Convert to fraction form
    723,395.57/1,084,721.56 = 424,465.47/x
  3. Step 3: Cross multiply
    723,395.57x = 1,084,721.56 × 424,465.47
  4. Step 4: Simplify right side
    723,395.57x = 460,426,845,723.37
  5. Step 5: Solve for x
    x = 460,426,845,723.37/723,395.57
  6. Step 6: Final answer
    x = 636,480.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.