Home / 970,455.42-1,455,953.17-423,395.69

Finding the Fourth Proportional to 970,455.42, 1,455,953.17 and 423,395.69

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Solution

The fourth proportional to 970,455.42, 1,455,953.17 and 423,395.69 is: 635,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,455.42 : 1,455,953.17 = 423,395.69 : x
  2. Step 2: Convert to fraction form
    970,455.42/1,455,953.17 = 423,395.69/x
  3. Step 3: Cross multiply
    970,455.42x = 1,455,953.17 × 423,395.69
  4. Step 4: Simplify right side
    970,455.42x = 616,444,303,212.11
  5. Step 5: Solve for x
    x = 616,444,303,212.11/970,455.42
  6. Step 6: Final answer
    x = 635,211.36

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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.