Home / 717,566.48-1,075,738.48-317,989.40

Finding the Fourth Proportional to 717,566.48, 1,075,738.48 and 317,989.40

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Solution

The fourth proportional to 717,566.48, 1,075,738.48 and 317,989.40 is: 476,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,566.48 : 1,075,738.48 = 317,989.40 : x
  2. Step 2: Convert to fraction form
    717,566.48/1,075,738.48 = 317,989.40/x
  3. Step 3: Cross multiply
    717,566.48x = 1,075,738.48 × 317,989.40
  4. Step 4: Simplify right side
    717,566.48x = 342,073,433,812.11
  5. Step 5: Solve for x
    x = 342,073,433,812.11/717,566.48
  6. Step 6: Final answer
    x = 476,713.23

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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.