Home / 734,646.60-1,013,837.70-407,965.11

Finding the Fourth Proportional to 734,646.60, 1,013,837.70 and 407,965.11

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Solution

The fourth proportional to 734,646.60, 1,013,837.70 and 407,965.11 is: 563,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,646.60 : 1,013,837.70 = 407,965.11 : x
  2. Step 2: Convert to fraction form
    734,646.60/1,013,837.70 = 407,965.11/x
  3. Step 3: Cross multiply
    734,646.60x = 1,013,837.70 × 407,965.11
  4. Step 4: Simplify right side
    734,646.60x = 413,610,408,802.65
  5. Step 5: Solve for x
    x = 413,610,408,802.65/734,646.60
  6. Step 6: Final answer
    x = 563,005.95

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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.