Home / 915,372.52-1,263,288.60-507,602.17

Finding the Fourth Proportional to 915,372.52, 1,263,288.60 and 507,602.17

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Solution

The fourth proportional to 915,372.52, 1,263,288.60 and 507,602.17 is: 700,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,372.52 : 1,263,288.60 = 507,602.17 : x
  2. Step 2: Convert to fraction form
    915,372.52/1,263,288.60 = 507,602.17/x
  3. Step 3: Cross multiply
    915,372.52x = 1,263,288.60 × 507,602.17
  4. Step 4: Simplify right side
    915,372.52x = 641,248,034,696.26
  5. Step 5: Solve for x
    x = 641,248,034,696.26/915,372.52
  6. Step 6: Final answer
    x = 700,532.32

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Double scale
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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.