Home / 740,810.10-1,111,215.15-729,000.30

Finding the Fourth Proportional to 740,810.10, 1,111,215.15 and 729,000.30

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Solution

The fourth proportional to 740,810.10, 1,111,215.15 and 729,000.30 is: 1,093,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,810.10 : 1,111,215.15 = 729,000.30 : x
  2. Step 2: Convert to fraction form
    740,810.10/1,111,215.15 = 729,000.30/x
  3. Step 3: Cross multiply
    740,810.10x = 1,111,215.15 × 729,000.30
  4. Step 4: Simplify right side
    740,810.10x = 810,076,177,714.55
  5. Step 5: Solve for x
    x = 810,076,177,714.55/740,810.10
  6. Step 6: Final answer
    x = 1,093,500.45

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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.