Home / 808,531.20-1,211,461.92-492,030.72

Finding the Fourth Proportional to 808,531.20, 1,211,461.92 and 492,030.72

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Solution

The fourth proportional to 808,531.20, 1,211,461.92 and 492,030.72 is: 737,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,531.20 : 1,211,461.92 = 492,030.72 : x
  2. Step 2: Convert to fraction form
    808,531.20/1,211,461.92 = 492,030.72/x
  3. Step 3: Cross multiply
    808,531.20x = 1,211,461.92 × 492,030.72
  4. Step 4: Simplify right side
    808,531.20x = 596,076,480,750.18
  5. Step 5: Solve for x
    x = 596,076,480,750.18/808,531.20
  6. Step 6: Final answer
    x = 737,233.74

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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.