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Finding the Fourth Proportional to 607,527.30, 910,853.55 and 341,369.40

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Solution

The fourth proportional to 607,527.30, 910,853.55 and 341,369.40 is: 511,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,527.30 : 910,853.55 = 341,369.40 : x
  2. Step 2: Convert to fraction form
    607,527.30/910,853.55 = 341,369.40/x
  3. Step 3: Cross multiply
    607,527.30x = 910,853.55 × 341,369.40
  4. Step 4: Simplify right side
    607,527.30x = 310,937,529,851.37
  5. Step 5: Solve for x
    x = 310,937,529,851.37/607,527.30
  6. Step 6: Final answer
    x = 511,808.33

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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.