Home / 877,171.50-1,210,500.32-474,763.50

Finding the Fourth Proportional to 877,171.50, 1,210,500.32 and 474,763.50

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Solution

The fourth proportional to 877,171.50, 1,210,500.32 and 474,763.50 is: 655,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,171.50 : 1,210,500.32 = 474,763.50 : x
  2. Step 2: Convert to fraction form
    877,171.50/1,210,500.32 = 474,763.50/x
  3. Step 3: Cross multiply
    877,171.50x = 1,210,500.32 × 474,763.50
  4. Step 4: Simplify right side
    877,171.50x = 574,701,366,300.50
  5. Step 5: Solve for x
    x = 574,701,366,300.50/877,171.50
  6. Step 6: Final answer
    x = 655,175.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.