Home / 770,004.15-1,062,612.45-425,822.19

Finding the Fourth Proportional to 770,004.15, 1,062,612.45 and 425,822.19

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Solution

The fourth proportional to 770,004.15, 1,062,612.45 and 425,822.19 is: 587,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,004.15 : 1,062,612.45 = 425,822.19 : x
  2. Step 2: Convert to fraction form
    770,004.15/1,062,612.45 = 425,822.19/x
  3. Step 3: Cross multiply
    770,004.15x = 1,062,612.45 × 425,822.19
  4. Step 4: Simplify right side
    770,004.15x = 452,483,960,580.27
  5. Step 5: Solve for x
    x = 452,483,960,580.27/770,004.15
  6. Step 6: Final answer
    x = 587,638.34

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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.