Home / 495,788.40-684,173.16-269,434.32

Finding the Fourth Proportional to 495,788.40, 684,173.16 and 269,434.32

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Solution

The fourth proportional to 495,788.40, 684,173.16 and 269,434.32 is: 371,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,788.40 : 684,173.16 = 269,434.32 : x
  2. Step 2: Convert to fraction form
    495,788.40/684,173.16 = 269,434.32/x
  3. Step 3: Cross multiply
    495,788.40x = 684,173.16 × 269,434.32
  4. Step 4: Simplify right side
    495,788.40x = 184,339,730,126.85
  5. Step 5: Solve for x
    x = 184,339,730,126.85/495,788.40
  6. Step 6: Final answer
    x = 371,811.30

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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.