Home / 970,493.93-1,339,263.68-528,972.31

Finding the Fourth Proportional to 970,493.93, 1,339,263.68 and 528,972.31

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Solution

The fourth proportional to 970,493.93, 1,339,263.68 and 528,972.31 is: 729,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,493.93 : 1,339,263.68 = 528,972.31 : x
  2. Step 2: Convert to fraction form
    970,493.93/1,339,263.68 = 528,972.31/x
  3. Step 3: Cross multiply
    970,493.93x = 1,339,263.68 × 528,972.31
  4. Step 4: Simplify right side
    970,493.93x = 708,433,403,521.57
  5. Step 5: Solve for x
    x = 708,433,403,521.57/970,493.93
  6. Step 6: Final answer
    x = 729,972.01

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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.