Home / 754,649.02-1,042,000.18-579,942.50

Finding the Fourth Proportional to 754,649.02, 1,042,000.18 and 579,942.50

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Solution

The fourth proportional to 754,649.02, 1,042,000.18 and 579,942.50 is: 800,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,649.02 : 1,042,000.18 = 579,942.50 : x
  2. Step 2: Convert to fraction form
    754,649.02/1,042,000.18 = 579,942.50/x
  3. Step 3: Cross multiply
    754,649.02x = 1,042,000.18 × 579,942.50
  4. Step 4: Simplify right side
    754,649.02x = 604,300,189,389.65
  5. Step 5: Solve for x
    x = 604,300,189,389.65/754,649.02
  6. Step 6: Final answer
    x = 800,769.86

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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.