Home / 825,695.78-1,139,369.07-463,045.01

Finding the Fourth Proportional to 825,695.78, 1,139,369.07 and 463,045.01

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Solution

The fourth proportional to 825,695.78, 1,139,369.07 and 463,045.01 is: 638,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,695.78 : 1,139,369.07 = 463,045.01 : x
  2. Step 2: Convert to fraction form
    825,695.78/1,139,369.07 = 463,045.01/x
  3. Step 3: Cross multiply
    825,695.78x = 1,139,369.07 × 463,045.01
  4. Step 4: Simplify right side
    825,695.78x = 527,579,162,411.84
  5. Step 5: Solve for x
    x = 527,579,162,411.84/825,695.78
  6. Step 6: Final answer
    x = 638,951.02

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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.