Home / 670,858.80-1,005,510.60-271,237.20

Finding the Fourth Proportional to 670,858.80, 1,005,510.60 and 271,237.20

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Solution

The fourth proportional to 670,858.80, 1,005,510.60 and 271,237.20 is: 406,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,858.80 : 1,005,510.60 = 271,237.20 : x
  2. Step 2: Convert to fraction form
    670,858.80/1,005,510.60 = 271,237.20/x
  3. Step 3: Cross multiply
    670,858.80x = 1,005,510.60 × 271,237.20
  4. Step 4: Simplify right side
    670,858.80x = 272,731,879,714.32
  5. Step 5: Solve for x
    x = 272,731,879,714.32/670,858.80
  6. Step 6: Final answer
    x = 406,541.41

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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.