Home / 938,298.04-1,406,358.32-431,795.68

Finding the Fourth Proportional to 938,298.04, 1,406,358.32 and 431,795.68

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Solution

The fourth proportional to 938,298.04, 1,406,358.32 and 431,795.68 is: 647,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,298.04 : 1,406,358.32 = 431,795.68 : x
  2. Step 2: Convert to fraction form
    938,298.04/1,406,358.32 = 431,795.68/x
  3. Step 3: Cross multiply
    938,298.04x = 1,406,358.32 × 431,795.68
  4. Step 4: Simplify right side
    938,298.04x = 607,259,447,108.06
  5. Step 5: Solve for x
    x = 607,259,447,108.06/938,298.04
  6. Step 6: Final answer
    x = 647,192.49

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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.