Home / 912,047.99-1,258,751.21-524,855.43

Finding the Fourth Proportional to 912,047.99, 1,258,751.21 and 524,855.43

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Solution

The fourth proportional to 912,047.99, 1,258,751.21 and 524,855.43 is: 724,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,047.99 : 1,258,751.21 = 524,855.43 : x
  2. Step 2: Convert to fraction form
    912,047.99/1,258,751.21 = 524,855.43/x
  3. Step 3: Cross multiply
    912,047.99x = 1,258,751.21 × 524,855.43
  4. Step 4: Simplify right side
    912,047.99x = 660,662,404,963.29
  5. Step 5: Solve for x
    x = 660,662,404,963.29/912,047.99
  6. Step 6: Final answer
    x = 724,372.42

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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.