Home / 913,461.11-1,370,322.95-282,424.13

Finding the Fourth Proportional to 913,461.11, 1,370,322.95 and 282,424.13

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Solution

The fourth proportional to 913,461.11, 1,370,322.95 and 282,424.13 is: 423,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,461.11 : 1,370,322.95 = 282,424.13 : x
  2. Step 2: Convert to fraction form
    913,461.11/1,370,322.95 = 282,424.13/x
  3. Step 3: Cross multiply
    913,461.11x = 1,370,322.95 × 282,424.13
  4. Step 4: Simplify right side
    913,461.11x = 387,012,258,709.05
  5. Step 5: Solve for x
    x = 387,012,258,709.05/913,461.11
  6. Step 6: Final answer
    x = 423,676.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.