Home / 915,398.08-1,263,289.30-507,473.98

Finding the Fourth Proportional to 915,398.08, 1,263,289.30 and 507,473.98

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Solution

The fourth proportional to 915,398.08, 1,263,289.30 and 507,473.98 is: 700,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,398.08 : 1,263,289.30 = 507,473.98 : x
  2. Step 2: Convert to fraction form
    915,398.08/1,263,289.30 = 507,473.98/x
  3. Step 3: Cross multiply
    915,398.08x = 1,263,289.30 × 507,473.98
  4. Step 4: Simplify right side
    915,398.08x = 641,086,444,535.51
  5. Step 5: Solve for x
    x = 641,086,444,535.51/915,398.08
  6. Step 6: Final answer
    x = 700,336.24

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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.