Home / 495,738.15-684,128.75-269,398.23

Finding the Fourth Proportional to 495,738.15, 684,128.75 and 269,398.23

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Solution

The fourth proportional to 495,738.15, 684,128.75 and 269,398.23 is: 371,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,738.15 : 684,128.75 = 269,398.23 : x
  2. Step 2: Convert to fraction form
    495,738.15/684,128.75 = 269,398.23/x
  3. Step 3: Cross multiply
    495,738.15x = 684,128.75 × 269,398.23
  4. Step 4: Simplify right side
    495,738.15x = 184,303,071,945.00
  5. Step 5: Solve for x
    x = 184,303,071,945.00/495,738.15
  6. Step 6: Final answer
    x = 371,775.05

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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.