Home / 992,499.08-1,487,875.03-393,880.73

Finding the Fourth Proportional to 992,499.08, 1,487,875.03 and 393,880.73

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Solution

The fourth proportional to 992,499.08, 1,487,875.03 and 393,880.73 is: 590,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,499.08 : 1,487,875.03 = 393,880.73 : x
  2. Step 2: Convert to fraction form
    992,499.08/1,487,875.03 = 393,880.73/x
  3. Step 3: Cross multiply
    992,499.08x = 1,487,875.03 × 393,880.73
  4. Step 4: Simplify right side
    992,499.08x = 586,045,294,541.10
  5. Step 5: Solve for x
    x = 586,045,294,541.10/992,499.08
  6. Step 6: Final answer
    x = 590,474.40

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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.