Home / 992,504.40-1,488,324.60-459,848.40

Finding the Fourth Proportional to 992,504.40, 1,488,324.60 and 459,848.40

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Solution

The fourth proportional to 992,504.40, 1,488,324.60 and 459,848.40 is: 689,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,504.40 : 1,488,324.60 = 459,848.40 : x
  2. Step 2: Convert to fraction form
    992,504.40/1,488,324.60 = 459,848.40/x
  3. Step 3: Cross multiply
    992,504.40x = 1,488,324.60 × 459,848.40
  4. Step 4: Simplify right side
    992,504.40x = 684,403,685,990.64
  5. Step 5: Solve for x
    x = 684,403,685,990.64/992,504.40
  6. Step 6: Final answer
    x = 689,572.45

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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.