Home / 742,916.74-1,025,196.34-403,377.22

Finding the Fourth Proportional to 742,916.74, 1,025,196.34 and 403,377.22

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Solution

The fourth proportional to 742,916.74, 1,025,196.34 and 403,377.22 is: 556,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,916.74 : 1,025,196.34 = 403,377.22 : x
  2. Step 2: Convert to fraction form
    742,916.74/1,025,196.34 = 403,377.22/x
  3. Step 3: Cross multiply
    742,916.74x = 1,025,196.34 × 403,377.22
  4. Step 4: Simplify right side
    742,916.74x = 413,540,849,583.38
  5. Step 5: Solve for x
    x = 413,540,849,583.38/742,916.74
  6. Step 6: Final answer
    x = 556,644.95

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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.