Home / 874,560.80-1,312,424.40-401,002.40

Finding the Fourth Proportional to 874,560.80, 1,312,424.40 and 401,002.40

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Solution

The fourth proportional to 874,560.80, 1,312,424.40 and 401,002.40 is: 601,771.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,560.80 : 1,312,424.40 = 401,002.40 : x
  2. Step 2: Convert to fraction form
    874,560.80/1,312,424.40 = 401,002.40/x
  3. Step 3: Cross multiply
    874,560.80x = 1,312,424.40 × 401,002.40
  4. Step 4: Simplify right side
    874,560.80x = 526,285,334,218.56
  5. Step 5: Solve for x
    x = 526,285,334,218.56/874,560.80
  6. Step 6: Final answer
    x = 601,771.01

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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.