Home / 717,565.48-1,075,736.98-317,988.40

Finding the Fourth Proportional to 717,565.48, 1,075,736.98 and 317,988.40

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Solution

The fourth proportional to 717,565.48, 1,075,736.98 and 317,988.40 is: 476,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,565.48 : 1,075,736.98 = 317,988.40 : x
  2. Step 2: Convert to fraction form
    717,565.48/1,075,736.98 = 317,988.40/x
  3. Step 3: Cross multiply
    717,565.48x = 1,075,736.98 × 317,988.40
  4. Step 4: Simplify right side
    717,565.48x = 342,071,881,091.03
  5. Step 5: Solve for x
    x = 342,071,881,091.03/717,565.48
  6. Step 6: Final answer
    x = 476,711.73

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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.