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Finding the Fourth Proportional to 495,054, 683,117.70 and 277,232.28

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Solution

The fourth proportional to 495,054, 683,117.70 and 277,232.28 is: 382,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,054 : 683,117.70 = 277,232.28 : x
  2. Step 2: Convert to fraction form
    495,054/683,117.70 = 277,232.28/x
  3. Step 3: Cross multiply
    495,054x = 683,117.70 × 277,232.28
  4. Step 4: Simplify right side
    495,054x = 189,382,277,479.36
  5. Step 5: Solve for x
    x = 189,382,277,479.36/495,054
  6. Step 6: Final answer
    x = 382,548.73

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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.