Home / 962,640.16-1,328,582.43-554,663.86

Finding the Fourth Proportional to 962,640.16, 1,328,582.43 and 554,663.86

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Solution

The fourth proportional to 962,640.16, 1,328,582.43 and 554,663.86 is: 765,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,640.16 : 1,328,582.43 = 554,663.86 : x
  2. Step 2: Convert to fraction form
    962,640.16/1,328,582.43 = 554,663.86/x
  3. Step 3: Cross multiply
    962,640.16x = 1,328,582.43 × 554,663.86
  4. Step 4: Simplify right side
    962,640.16x = 736,916,658,951.98
  5. Step 5: Solve for x
    x = 736,916,658,951.98/962,640.16
  6. Step 6: Final answer
    x = 765,516.22

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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.