Home / 953,418.80-1,315,726.44-523,707.68

Finding the Fourth Proportional to 953,418.80, 1,315,726.44 and 523,707.68

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Solution

The fourth proportional to 953,418.80, 1,315,726.44 and 523,707.68 is: 722,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,418.80 : 1,315,726.44 = 523,707.68 : x
  2. Step 2: Convert to fraction form
    953,418.80/1,315,726.44 = 523,707.68/x
  3. Step 3: Cross multiply
    953,418.80x = 1,315,726.44 × 523,707.68
  4. Step 4: Simplify right side
    953,418.80x = 689,056,041,407.06
  5. Step 5: Solve for x
    x = 689,056,041,407.06/953,418.80
  6. Step 6: Final answer
    x = 722,721.27

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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.