Home / 802,649.32-1,107,613.73-458,417.57

Finding the Fourth Proportional to 802,649.32, 1,107,613.73 and 458,417.57

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Solution

The fourth proportional to 802,649.32, 1,107,613.73 and 458,417.57 is: 632,592.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,649.32 : 1,107,613.73 = 458,417.57 : x
  2. Step 2: Convert to fraction form
    802,649.32/1,107,613.73 = 458,417.57/x
  3. Step 3: Cross multiply
    802,649.32x = 1,107,613.73 × 458,417.57
  4. Step 4: Simplify right side
    802,649.32x = 507,749,592,313.15
  5. Step 5: Solve for x
    x = 507,749,592,313.15/802,649.32
  6. Step 6: Final answer
    x = 632,592.07

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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.