Home / 675,631.95-932,280.17-403,642.23

Finding the Fourth Proportional to 675,631.95, 932,280.17 and 403,642.23

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Solution

The fourth proportional to 675,631.95, 932,280.17 and 403,642.23 is: 556,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,631.95 : 932,280.17 = 403,642.23 : x
  2. Step 2: Convert to fraction form
    675,631.95/932,280.17 = 403,642.23/x
  3. Step 3: Cross multiply
    675,631.95x = 932,280.17 × 403,642.23
  4. Step 4: Simplify right side
    675,631.95x = 376,307,644,785.37
  5. Step 5: Solve for x
    x = 376,307,644,785.37/675,631.95
  6. Step 6: Final answer
    x = 556,971.36

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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.