Home / 915,518.63-1,263,546.45-507,711.17

Finding the Fourth Proportional to 915,518.63, 1,263,546.45 and 507,711.17

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Solution

The fourth proportional to 915,518.63, 1,263,546.45 and 507,711.17 is: 700,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,518.63 : 1,263,546.45 = 507,711.17 : x
  2. Step 2: Convert to fraction form
    915,518.63/1,263,546.45 = 507,711.17/x
  3. Step 3: Cross multiply
    915,518.63x = 1,263,546.45 × 507,711.17
  4. Step 4: Simplify right side
    915,518.63x = 641,516,649,637.71
  5. Step 5: Solve for x
    x = 641,516,649,637.71/915,518.63
  6. Step 6: Final answer
    x = 700,713.92

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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.