Home / 877,402.64-1,316,130.77-301,017.84

Finding the Fourth Proportional to 877,402.64, 1,316,130.77 and 301,017.84

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Solution

The fourth proportional to 877,402.64, 1,316,130.77 and 301,017.84 is: 451,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,402.64 : 1,316,130.77 = 301,017.84 : x
  2. Step 2: Convert to fraction form
    877,402.64/1,316,130.77 = 301,017.84/x
  3. Step 3: Cross multiply
    877,402.64x = 1,316,130.77 × 301,017.84
  4. Step 4: Simplify right side
    877,402.64x = 396,178,836,513.38
  5. Step 5: Solve for x
    x = 396,178,836,513.38/877,402.64
  6. Step 6: Final answer
    x = 451,535.95

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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.