Home / 915,574.12-1,263,495.00-507,704.69

Finding the Fourth Proportional to 915,574.12, 1,263,495.00 and 507,704.69

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Solution

The fourth proportional to 915,574.12, 1,263,495.00 and 507,704.69 is: 700,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,574.12 : 1,263,495.00 = 507,704.69 : x
  2. Step 2: Convert to fraction form
    915,574.12/1,263,495.00 = 507,704.69/x
  3. Step 3: Cross multiply
    915,574.12x = 1,263,495.00 × 507,704.69
  4. Step 4: Simplify right side
    915,574.12x = 641,482,342,354.18
  5. Step 5: Solve for x
    x = 641,482,342,354.18/915,574.12
  6. Step 6: Final answer
    x = 700,633.98

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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.