Home / 734,782.01-1,013,929.80-412,429.14

Finding the Fourth Proportional to 734,782.01, 1,013,929.80 and 412,429.14

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Solution

The fourth proportional to 734,782.01, 1,013,929.80 and 412,429.14 is: 569,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,782.01 : 1,013,929.80 = 412,429.14 : x
  2. Step 2: Convert to fraction form
    734,782.01/1,013,929.80 = 412,429.14/x
  3. Step 3: Cross multiply
    734,782.01x = 1,013,929.80 × 412,429.14
  4. Step 4: Simplify right side
    734,782.01x = 418,174,195,434.37
  5. Step 5: Solve for x
    x = 418,174,195,434.37/734,782.01
  6. Step 6: Final answer
    x = 569,113.28

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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.