Home / 874,891.40-1,312,337.01-210,043.40

Finding the Fourth Proportional to 874,891.40, 1,312,337.01 and 210,043.40

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Solution

The fourth proportional to 874,891.40, 1,312,337.01 and 210,043.40 is: 315,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,891.40 : 1,312,337.01 = 210,043.40 : x
  2. Step 2: Convert to fraction form
    874,891.40/1,312,337.01 = 210,043.40/x
  3. Step 3: Cross multiply
    874,891.40x = 1,312,337.01 × 210,043.40
  4. Step 4: Simplify right side
    874,891.40x = 275,647,727,526.23
  5. Step 5: Solve for x
    x = 275,647,727,526.23/874,891.40
  6. Step 6: Final answer
    x = 315,065.08

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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.