Home / 889,434.90-1,334,210.81-356,886.72

Finding the Fourth Proportional to 889,434.90, 1,334,210.81 and 356,886.72

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Solution

The fourth proportional to 889,434.90, 1,334,210.81 and 356,886.72 is: 535,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,434.90 : 1,334,210.81 = 356,886.72 : x
  2. Step 2: Convert to fraction form
    889,434.90/1,334,210.81 = 356,886.72/x
  3. Step 3: Cross multiply
    889,434.90x = 1,334,210.81 × 356,886.72
  4. Step 4: Simplify right side
    889,434.90x = 476,162,117,985.01
  5. Step 5: Solve for x
    x = 476,162,117,985.01/889,434.90
  6. Step 6: Final answer
    x = 535,353.54

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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.