Home / 992,362.88-1,488,143.64-384,831.32

Finding the Fourth Proportional to 992,362.88, 1,488,143.64 and 384,831.32

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Solution

The fourth proportional to 992,362.88, 1,488,143.64 and 384,831.32 is: 577,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,362.88 : 1,488,143.64 = 384,831.32 : x
  2. Step 2: Convert to fraction form
    992,362.88/1,488,143.64 = 384,831.32/x
  3. Step 3: Cross multiply
    992,362.88x = 1,488,143.64 × 384,831.32
  4. Step 4: Simplify right side
    992,362.88x = 572,684,281,330.81
  5. Step 5: Solve for x
    x = 572,684,281,330.81/992,362.88
  6. Step 6: Final answer
    x = 577,091.60

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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.