Home / 734,780.50-1,013,927.74-412,427.63

Finding the Fourth Proportional to 734,780.50, 1,013,927.74 and 412,427.63

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Solution

The fourth proportional to 734,780.50, 1,013,927.74 and 412,427.63 is: 569,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,780.50 : 1,013,927.74 = 412,427.63 : x
  2. Step 2: Convert to fraction form
    734,780.50/1,013,927.74 = 412,427.63/x
  3. Step 3: Cross multiply
    734,780.50x = 1,013,927.74 × 412,427.63
  4. Step 4: Simplify right side
    734,780.50x = 418,171,816,303.21
  5. Step 5: Solve for x
    x = 418,171,816,303.21/734,780.50
  6. Step 6: Final answer
    x = 569,111.21

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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.