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Finding the Fourth Proportional to 610,572.21, 916,051.46 and 273,901.65

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Solution

The fourth proportional to 610,572.21, 916,051.46 and 273,901.65 is: 410,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,572.21 : 916,051.46 = 273,901.65 : x
  2. Step 2: Convert to fraction form
    610,572.21/916,051.46 = 273,901.65/x
  3. Step 3: Cross multiply
    610,572.21x = 916,051.46 × 273,901.65
  4. Step 4: Simplify right side
    610,572.21x = 250,908,005,009.40
  5. Step 5: Solve for x
    x = 250,908,005,009.40/610,572.21
  6. Step 6: Final answer
    x = 410,939.12

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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.