Home / 913,775.40-1,370,792.70-282,623.40

Finding the Fourth Proportional to 913,775.40, 1,370,792.70 and 282,623.40

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Solution

The fourth proportional to 913,775.40, 1,370,792.70 and 282,623.40 is: 423,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,775.40 : 1,370,792.70 = 282,623.40 : x
  2. Step 2: Convert to fraction form
    913,775.40/1,370,792.70 = 282,623.40/x
  3. Step 3: Cross multiply
    913,775.40x = 1,370,792.70 × 282,623.40
  4. Step 4: Simplify right side
    913,775.40x = 387,418,093,569.18
  5. Step 5: Solve for x
    x = 387,418,093,569.18/913,775.40
  6. Step 6: Final answer
    x = 423,975.18

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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.