Home / 815,303.52-1,125,081.27-452,750.55

Finding the Fourth Proportional to 815,303.52, 1,125,081.27 and 452,750.55

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Solution

The fourth proportional to 815,303.52, 1,125,081.27 and 452,750.55 is: 624,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,303.52 : 1,125,081.27 = 452,750.55 : x
  2. Step 2: Convert to fraction form
    815,303.52/1,125,081.27 = 452,750.55/x
  3. Step 3: Cross multiply
    815,303.52x = 1,125,081.27 × 452,750.55
  4. Step 4: Simplify right side
    815,303.52x = 509,381,163,787.20
  5. Step 5: Solve for x
    x = 509,381,163,787.20/815,303.52
  6. Step 6: Final answer
    x = 624,774.89

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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.