Home / 647,452.32-893,549.52-375,603.36

Finding the Fourth Proportional to 647,452.32, 893,549.52 and 375,603.36

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Solution

The fourth proportional to 647,452.32, 893,549.52 and 375,603.36 is: 518,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,452.32 : 893,549.52 = 375,603.36 : x
  2. Step 2: Convert to fraction form
    647,452.32/893,549.52 = 375,603.36/x
  3. Step 3: Cross multiply
    647,452.32x = 893,549.52 × 375,603.36
  4. Step 4: Simplify right side
    647,452.32x = 335,620,202,038.39
  5. Step 5: Solve for x
    x = 335,620,202,038.39/647,452.32
  6. Step 6: Final answer
    x = 518,370.53

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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.