Home / 688,499.68-1,032,924.74-404,430.46

Finding the Fourth Proportional to 688,499.68, 1,032,924.74 and 404,430.46

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Solution

The fourth proportional to 688,499.68, 1,032,924.74 and 404,430.46 is: 606,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,499.68 : 1,032,924.74 = 404,430.46 : x
  2. Step 2: Convert to fraction form
    688,499.68/1,032,924.74 = 404,430.46/x
  3. Step 3: Cross multiply
    688,499.68x = 1,032,924.74 × 404,430.46
  4. Step 4: Simplify right side
    688,499.68x = 417,746,227,743.58
  5. Step 5: Solve for x
    x = 417,746,227,743.58/688,499.68
  6. Step 6: Final answer
    x = 606,748.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.