Home / 915,684.09-1,263,708.72-507,824.93

Finding the Fourth Proportional to 915,684.09, 1,263,708.72 and 507,824.93

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Solution

The fourth proportional to 915,684.09, 1,263,708.72 and 507,824.93 is: 700,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,684.09 : 1,263,708.72 = 507,824.93 : x
  2. Step 2: Convert to fraction form
    915,684.09/1,263,708.72 = 507,824.93/x
  3. Step 3: Cross multiply
    915,684.09x = 1,263,708.72 × 507,824.93
  4. Step 4: Simplify right side
    915,684.09x = 641,742,785,955.85
  5. Step 5: Solve for x
    x = 641,742,785,955.85/915,684.09
  6. Step 6: Final answer
    x = 700,834.26

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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.