Home / 992,505.40-1,488,326.10-459,849.40

Finding the Fourth Proportional to 992,505.40, 1,488,326.10 and 459,849.40

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Solution

The fourth proportional to 992,505.40, 1,488,326.10 and 459,849.40 is: 689,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,505.40 : 1,488,326.10 = 459,849.40 : x
  2. Step 2: Convert to fraction form
    992,505.40/1,488,326.10 = 459,849.40/x
  3. Step 3: Cross multiply
    992,505.40x = 1,488,326.10 × 459,849.40
  4. Step 4: Simplify right side
    992,505.40x = 684,405,864,089.34
  5. Step 5: Solve for x
    x = 684,405,864,089.34/992,505.40
  6. Step 6: Final answer
    x = 689,573.94

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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.