Home / 791,075.72-1,186,668.93-391,609.23

Finding the Fourth Proportional to 791,075.72, 1,186,668.93 and 391,609.23

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Solution

The fourth proportional to 791,075.72, 1,186,668.93 and 391,609.23 is: 587,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,075.72 : 1,186,668.93 = 391,609.23 : x
  2. Step 2: Convert to fraction form
    791,075.72/1,186,668.93 = 391,609.23/x
  3. Step 3: Cross multiply
    791,075.72x = 1,186,668.93 × 391,609.23
  4. Step 4: Simplify right side
    791,075.72x = 464,710,509,635.76
  5. Step 5: Solve for x
    x = 464,710,509,635.76/791,075.72
  6. Step 6: Final answer
    x = 587,441.25

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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.