Home / 876,423.08-1,315,178.94-561,106.28

Finding the Fourth Proportional to 876,423.08, 1,315,178.94 and 561,106.28

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Solution

The fourth proportional to 876,423.08, 1,315,178.94 and 561,106.28 is: 842,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,423.08 : 1,315,178.94 = 561,106.28 : x
  2. Step 2: Convert to fraction form
    876,423.08/1,315,178.94 = 561,106.28/x
  3. Step 3: Cross multiply
    876,423.08x = 1,315,178.94 × 561,106.28
  4. Step 4: Simplify right side
    876,423.08x = 737,955,162,557.74
  5. Step 5: Solve for x
    x = 737,955,162,557.74/876,423.08
  6. Step 6: Final answer
    x = 842,007.91

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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.