Home / 899,660.65-1,349,560.74-300,623.95

Finding the Fourth Proportional to 899,660.65, 1,349,560.74 and 300,623.95

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Solution

The fourth proportional to 899,660.65, 1,349,560.74 and 300,623.95 is: 450,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,660.65 : 1,349,560.74 = 300,623.95 : x
  2. Step 2: Convert to fraction form
    899,660.65/1,349,560.74 = 300,623.95/x
  3. Step 3: Cross multiply
    899,660.65x = 1,349,560.74 × 300,623.95
  4. Step 4: Simplify right side
    899,660.65x = 405,710,280,423.72
  5. Step 5: Solve for x
    x = 405,710,280,423.72/899,660.65
  6. Step 6: Final answer
    x = 450,959.24

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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.