Home / 828,614.24-1,143,316.08-484,383.68

Finding the Fourth Proportional to 828,614.24, 1,143,316.08 and 484,383.68

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Solution

The fourth proportional to 828,614.24, 1,143,316.08 and 484,383.68 is: 668,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,614.24 : 1,143,316.08 = 484,383.68 : x
  2. Step 2: Convert to fraction form
    828,614.24/1,143,316.08 = 484,383.68/x
  3. Step 3: Cross multiply
    828,614.24x = 1,143,316.08 × 484,383.68
  4. Step 4: Simplify right side
    828,614.24x = 553,803,650,233.57
  5. Step 5: Solve for x
    x = 553,803,650,233.57/828,614.24
  6. Step 6: Final answer
    x = 668,349.18

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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.