Home / 953,113.36-1,315,305.54-523,402.48

Finding the Fourth Proportional to 953,113.36, 1,315,305.54 and 523,402.48

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Solution

The fourth proportional to 953,113.36, 1,315,305.54 and 523,402.48 is: 722,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,113.36 : 1,315,305.54 = 523,402.48 : x
  2. Step 2: Convert to fraction form
    953,113.36/1,315,305.54 = 523,402.48/x
  3. Step 3: Cross multiply
    953,113.36x = 1,315,305.54 × 523,402.48
  4. Step 4: Simplify right side
    953,113.36x = 688,434,181,593.74
  5. Step 5: Solve for x
    x = 688,434,181,593.74/953,113.36
  6. Step 6: Final answer
    x = 722,300.42

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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.