Home / 717,117.64-1,075,425.80-211,544.40

Finding the Fourth Proportional to 717,117.64, 1,075,425.80 and 211,544.40

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Solution

The fourth proportional to 717,117.64, 1,075,425.80 and 211,544.40 is: 317,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,117.64 : 1,075,425.80 = 211,544.40 : x
  2. Step 2: Convert to fraction form
    717,117.64/1,075,425.80 = 211,544.40/x
  3. Step 3: Cross multiply
    717,117.64x = 1,075,425.80 × 211,544.40
  4. Step 4: Simplify right side
    717,117.64x = 227,500,305,605.52
  5. Step 5: Solve for x
    x = 227,500,305,605.52/717,117.64
  6. Step 6: Final answer
    x = 317,242.66

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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.