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Finding the Fourth Proportional to 674,983.07, 931,477.14 and 369,054.57

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Solution

The fourth proportional to 674,983.07, 931,477.14 and 369,054.57 is: 509,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,983.07 : 931,477.14 = 369,054.57 : x
  2. Step 2: Convert to fraction form
    674,983.07/931,477.14 = 369,054.57/x
  3. Step 3: Cross multiply
    674,983.07x = 931,477.14 × 369,054.57
  4. Step 4: Simplify right side
    674,983.07x = 343,765,895,367.53
  5. Step 5: Solve for x
    x = 343,765,895,367.53/674,983.07
  6. Step 6: Final answer
    x = 509,295.59

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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.