Home / 714,465.39-985,513.75-423,871.22

Finding the Fourth Proportional to 714,465.39, 985,513.75 and 423,871.22

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Solution

The fourth proportional to 714,465.39, 985,513.75 and 423,871.22 is: 584,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,465.39 : 985,513.75 = 423,871.22 : x
  2. Step 2: Convert to fraction form
    714,465.39/985,513.75 = 423,871.22/x
  3. Step 3: Cross multiply
    714,465.39x = 985,513.75 × 423,871.22
  4. Step 4: Simplify right side
    714,465.39x = 417,730,914,837.22
  5. Step 5: Solve for x
    x = 417,730,914,837.22/714,465.39
  6. Step 6: Final answer
    x = 584,676.21

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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.