Home / 717,167.12-1,075,012.56-317,995.88

Finding the Fourth Proportional to 717,167.12, 1,075,012.56 and 317,995.88

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Solution

The fourth proportional to 717,167.12, 1,075,012.56 and 317,995.88 is: 476,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,167.12 : 1,075,012.56 = 317,995.88 : x
  2. Step 2: Convert to fraction form
    717,167.12/1,075,012.56 = 317,995.88/x
  3. Step 3: Cross multiply
    717,167.12x = 1,075,012.56 × 317,995.88
  4. Step 4: Simplify right side
    717,167.12x = 341,849,559,653.19
  5. Step 5: Solve for x
    x = 341,849,559,653.19/717,167.12
  6. Step 6: Final answer
    x = 476,666.53

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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.