Home / 953,430.09-1,315,407.63-545,383.27

Finding the Fourth Proportional to 953,430.09, 1,315,407.63 and 545,383.27

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Solution

The fourth proportional to 953,430.09, 1,315,407.63 and 545,383.27 is: 752,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,430.09 : 1,315,407.63 = 545,383.27 : x
  2. Step 2: Convert to fraction form
    953,430.09/1,315,407.63 = 545,383.27/x
  3. Step 3: Cross multiply
    953,430.09x = 1,315,407.63 × 545,383.27
  4. Step 4: Simplify right side
    953,430.09x = 717,401,314,632.35
  5. Step 5: Solve for x
    x = 717,401,314,632.35/953,430.09
  6. Step 6: Final answer
    x = 752,442.49

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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.