Home / 874,237.80-1,310,967.90-401,068.20

Finding the Fourth Proportional to 874,237.80, 1,310,967.90 and 401,068.20

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Solution

The fourth proportional to 874,237.80, 1,310,967.90 and 401,068.20 is: 601,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,237.80 : 1,310,967.90 = 401,068.20 : x
  2. Step 2: Convert to fraction form
    874,237.80/1,310,967.90 = 401,068.20/x
  3. Step 3: Cross multiply
    874,237.80x = 1,310,967.90 × 401,068.20
  4. Step 4: Simplify right side
    874,237.80x = 525,787,535,910.78
  5. Step 5: Solve for x
    x = 525,787,535,910.78/874,237.80
  6. Step 6: Final answer
    x = 601,423.93

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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.