Home / 915,588.36-1,263,498.66-507,690.90

Finding the Fourth Proportional to 915,588.36, 1,263,498.66 and 507,690.90

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Solution

The fourth proportional to 915,588.36, 1,263,498.66 and 507,690.90 is: 700,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,588.36 : 1,263,498.66 = 507,690.90 : x
  2. Step 2: Convert to fraction form
    915,588.36/1,263,498.66 = 507,690.90/x
  3. Step 3: Cross multiply
    915,588.36x = 1,263,498.66 × 507,690.90
  4. Step 4: Simplify right side
    915,588.36x = 641,466,771,844.19
  5. Step 5: Solve for x
    x = 641,466,771,844.19/915,588.36
  6. Step 6: Final answer
    x = 700,606.08

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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.