Home / 992,437.60-1,488,850.80-423,817.60

Finding the Fourth Proportional to 992,437.60, 1,488,850.80 and 423,817.60

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Solution

The fourth proportional to 992,437.60, 1,488,850.80 and 423,817.60 is: 635,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,437.60 : 1,488,850.80 = 423,817.60 : x
  2. Step 2: Convert to fraction form
    992,437.60/1,488,850.80 = 423,817.60/x
  3. Step 3: Cross multiply
    992,437.60x = 1,488,850.80 × 423,817.60
  4. Step 4: Simplify right side
    992,437.60x = 631,001,172,814.08
  5. Step 5: Solve for x
    x = 631,001,172,814.08/992,437.60
  6. Step 6: Final answer
    x = 635,809.42

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1.5x scale

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.