Home / 970,465.56-1,455,968.32-423,405.83

Finding the Fourth Proportional to 970,465.56, 1,455,968.32 and 423,405.83

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Solution

The fourth proportional to 970,465.56, 1,455,968.32 and 423,405.83 is: 635,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,465.56 : 1,455,968.32 = 423,405.83 : x
  2. Step 2: Convert to fraction form
    970,465.56/1,455,968.32 = 423,405.83/x
  3. Step 3: Cross multiply
    970,465.56x = 1,455,968.32 × 423,405.83
  4. Step 4: Simplify right side
    970,465.56x = 616,465,477,564.71
  5. Step 5: Solve for x
    x = 616,465,477,564.71/970,465.56
  6. Step 6: Final answer
    x = 635,226.54

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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.