Home / 662,263.49-913,925.37-375,782.81

Finding the Fourth Proportional to 662,263.49, 913,925.37 and 375,782.81

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Solution

The fourth proportional to 662,263.49, 913,925.37 and 375,782.81 is: 518,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,263.49 : 913,925.37 = 375,782.81 : x
  2. Step 2: Convert to fraction form
    662,263.49/913,925.37 = 375,782.81/x
  3. Step 3: Cross multiply
    662,263.49x = 913,925.37 × 375,782.81
  4. Step 4: Simplify right side
    662,263.49x = 343,437,443,668.89
  5. Step 5: Solve for x
    x = 343,437,443,668.89/662,263.49
  6. Step 6: Final answer
    x = 518,581.27

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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.