Home / 847,780.02-1,271,728.35-286,624.98

Finding the Fourth Proportional to 847,780.02, 1,271,728.35 and 286,624.98

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Solution

The fourth proportional to 847,780.02, 1,271,728.35 and 286,624.98 is: 429,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,780.02 : 1,271,728.35 = 286,624.98 : x
  2. Step 2: Convert to fraction form
    847,780.02/1,271,728.35 = 286,624.98/x
  3. Step 3: Cross multiply
    847,780.02x = 1,271,728.35 × 286,624.98
  4. Step 4: Simplify right side
    847,780.02x = 364,509,112,884.18
  5. Step 5: Solve for x
    x = 364,509,112,884.18/847,780.02
  6. Step 6: Final answer
    x = 429,957.19

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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.