Home / 947,555.54-1,421,177.61-340,218.12

Finding the Fourth Proportional to 947,555.54, 1,421,177.61 and 340,218.12

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Solution

The fourth proportional to 947,555.54, 1,421,177.61 and 340,218.12 is: 510,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,555.54 : 1,421,177.61 = 340,218.12 : x
  2. Step 2: Convert to fraction form
    947,555.54/1,421,177.61 = 340,218.12/x
  3. Step 3: Cross multiply
    947,555.54x = 1,421,177.61 × 340,218.12
  4. Step 4: Simplify right side
    947,555.54x = 483,510,376,170.79
  5. Step 5: Solve for x
    x = 483,510,376,170.79/947,555.54
  6. Step 6: Final answer
    x = 510,271.28

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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.