Home / 877,738.87-1,316,988.65-309,525.96

Finding the Fourth Proportional to 877,738.87, 1,316,988.65 and 309,525.96

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Solution

The fourth proportional to 877,738.87, 1,316,988.65 and 309,525.96 is: 464,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,738.87 : 1,316,988.65 = 309,525.96 : x
  2. Step 2: Convert to fraction form
    877,738.87/1,316,988.65 = 309,525.96/x
  3. Step 3: Cross multiply
    877,738.87x = 1,316,988.65 × 309,525.96
  4. Step 4: Simplify right side
    877,738.87x = 407,642,176,200.35
  5. Step 5: Solve for x
    x = 407,642,176,200.35/877,738.87
  6. Step 6: Final answer
    x = 464,423.06

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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.