Home / 915,054.89-1,262,785.14-507,165.82

Finding the Fourth Proportional to 915,054.89, 1,262,785.14 and 507,165.82

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Solution

The fourth proportional to 915,054.89, 1,262,785.14 and 507,165.82 is: 699,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,054.89 : 1,262,785.14 = 507,165.82 : x
  2. Step 2: Convert to fraction form
    915,054.89/1,262,785.14 = 507,165.82/x
  3. Step 3: Cross multiply
    915,054.89x = 1,262,785.14 × 507,165.82
  4. Step 4: Simplify right side
    915,054.89x = 640,441,460,688.52
  5. Step 5: Solve for x
    x = 640,441,460,688.52/915,054.89
  6. Step 6: Final answer
    x = 699,894.04

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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.