Home / 942,378.76-1,413,726.90-436,734.64

Finding the Fourth Proportional to 942,378.76, 1,413,726.90 and 436,734.64

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Solution

The fourth proportional to 942,378.76, 1,413,726.90 and 436,734.64 is: 655,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,378.76 : 1,413,726.90 = 436,734.64 : x
  2. Step 2: Convert to fraction form
    942,378.76/1,413,726.90 = 436,734.64/x
  3. Step 3: Cross multiply
    942,378.76x = 1,413,726.90 × 436,734.64
  4. Step 4: Simplify right side
    942,378.76x = 617,423,499,477.51
  5. Step 5: Solve for x
    x = 617,423,499,477.51/942,378.76
  6. Step 6: Final answer
    x = 655,175.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.