Home / 815,433.95-1,125,325.10-452,862.16

Finding the Fourth Proportional to 815,433.95, 1,125,325.10 and 452,862.16

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Solution

The fourth proportional to 815,433.95, 1,125,325.10 and 452,862.16 is: 624,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,433.95 : 1,125,325.10 = 452,862.16 : x
  2. Step 2: Convert to fraction form
    815,433.95/1,125,325.10 = 452,862.16/x
  3. Step 3: Cross multiply
    815,433.95x = 1,125,325.10 × 452,862.16
  4. Step 4: Simplify right side
    815,433.95x = 509,617,147,597.28
  5. Step 5: Solve for x
    x = 509,617,147,597.28/815,433.95
  6. Step 6: Final answer
    x = 624,964.35

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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.