Home / 709,528.20-1,064,810.70-499,576.20

Finding the Fourth Proportional to 709,528.20, 1,064,810.70 and 499,576.20

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Solution

The fourth proportional to 709,528.20, 1,064,810.70 and 499,576.20 is: 749,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,528.20 : 1,064,810.70 = 499,576.20 : x
  2. Step 2: Convert to fraction form
    709,528.20/1,064,810.70 = 499,576.20/x
  3. Step 3: Cross multiply
    709,528.20x = 1,064,810.70 × 499,576.20
  4. Step 4: Simplify right side
    709,528.20x = 531,954,083,225.34
  5. Step 5: Solve for x
    x = 531,954,083,225.34/709,528.20
  6. Step 6: Final answer
    x = 749,729.30

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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.