Home / 740,466.62-1,021,844.67-400,934.06

Finding the Fourth Proportional to 740,466.62, 1,021,844.67 and 400,934.06

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Solution

The fourth proportional to 740,466.62, 1,021,844.67 and 400,934.06 is: 553,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,466.62 : 1,021,844.67 = 400,934.06 : x
  2. Step 2: Convert to fraction form
    740,466.62/1,021,844.67 = 400,934.06/x
  3. Step 3: Cross multiply
    740,466.62x = 1,021,844.67 × 400,934.06
  4. Step 4: Simplify right side
    740,466.62x = 409,692,332,232.46
  5. Step 5: Solve for x
    x = 409,692,332,232.46/740,466.62
  6. Step 6: Final answer
    x = 553,289.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.