Home / 962,403.85-1,328,148.66-554,473.68

Finding the Fourth Proportional to 962,403.85, 1,328,148.66 and 554,473.68

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Solution

The fourth proportional to 962,403.85, 1,328,148.66 and 554,473.68 is: 765,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,403.85 : 1,328,148.66 = 554,473.68 : x
  2. Step 2: Convert to fraction form
    962,403.85/1,328,148.66 = 554,473.68/x
  3. Step 3: Cross multiply
    962,403.85x = 1,328,148.66 × 554,473.68
  4. Step 4: Simplify right side
    962,403.85x = 736,423,475,097.27
  5. Step 5: Solve for x
    x = 736,423,475,097.27/962,403.85
  6. Step 6: Final answer
    x = 765,191.74

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1.5x scale

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.