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Finding the Fourth Proportional to 504,703.80, 757,055.70 and 255,353.40

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Solution

The fourth proportional to 504,703.80, 757,055.70 and 255,353.40 is: 383,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,703.80 : 757,055.70 = 255,353.40 : x
  2. Step 2: Convert to fraction form
    504,703.80/757,055.70 = 255,353.40/x
  3. Step 3: Cross multiply
    504,703.80x = 757,055.70 × 255,353.40
  4. Step 4: Simplify right side
    504,703.80x = 193,316,746,984.38
  5. Step 5: Solve for x
    x = 193,316,746,984.38/504,703.80
  6. Step 6: Final answer
    x = 383,030.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.