Home / 924,639.85-1,387,111.58-284,943.70

Finding the Fourth Proportional to 924,639.85, 1,387,111.58 and 284,943.70

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Solution

The fourth proportional to 924,639.85, 1,387,111.58 and 284,943.70 is: 427,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,639.85 : 1,387,111.58 = 284,943.70 : x
  2. Step 2: Convert to fraction form
    924,639.85/1,387,111.58 = 284,943.70/x
  3. Step 3: Cross multiply
    924,639.85x = 1,387,111.58 × 284,943.70
  4. Step 4: Simplify right side
    924,639.85x = 395,248,705,918.05
  5. Step 5: Solve for x
    x = 395,248,705,918.05/924,639.85
  6. Step 6: Final answer
    x = 427,462.33

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1.5x scale

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.