Home / 917,884.15-1,376,291.63-356,262.55

Finding the Fourth Proportional to 917,884.15, 1,376,291.63 and 356,262.55

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Solution

The fourth proportional to 917,884.15, 1,376,291.63 and 356,262.55 is: 534,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,884.15 : 1,376,291.63 = 356,262.55 : x
  2. Step 2: Convert to fraction form
    917,884.15/1,376,291.63 = 356,262.55/x
  3. Step 3: Cross multiply
    917,884.15x = 1,376,291.63 × 356,262.55
  4. Step 4: Simplify right side
    917,884.15x = 490,321,163,866.14
  5. Step 5: Solve for x
    x = 490,321,163,866.14/917,884.15
  6. Step 6: Final answer
    x = 534,186.33

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1.5x scale

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.