Home / 495,740.78-684,121.02-269,386.28

Finding the Fourth Proportional to 495,740.78, 684,121.02 and 269,386.28

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Solution

The fourth proportional to 495,740.78, 684,121.02 and 269,386.28 is: 371,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,740.78 : 684,121.02 = 269,386.28 : x
  2. Step 2: Convert to fraction form
    495,740.78/684,121.02 = 269,386.28/x
  3. Step 3: Cross multiply
    495,740.78x = 684,121.02 × 269,386.28
  4. Step 4: Simplify right side
    495,740.78x = 184,292,816,647.61
  5. Step 5: Solve for x
    x = 184,292,816,647.61/495,740.78
  6. Step 6: Final answer
    x = 371,752.38

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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.