Home / 916,935.90-1,375,464.60-243,007.80

Finding the Fourth Proportional to 916,935.90, 1,375,464.60 and 243,007.80

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Solution

The fourth proportional to 916,935.90, 1,375,464.60 and 243,007.80 is: 364,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,935.90 : 1,375,464.60 = 243,007.80 : x
  2. Step 2: Convert to fraction form
    916,935.90/1,375,464.60 = 243,007.80/x
  3. Step 3: Cross multiply
    916,935.90x = 1,375,464.60 × 243,007.80
  4. Step 4: Simplify right side
    916,935.90x = 334,248,626,423.88
  5. Step 5: Solve for x
    x = 334,248,626,423.88/916,935.90
  6. Step 6: Final answer
    x = 364,527.80

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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.