Home / 423,945.60-585,077.49-242,714.40

Finding the Fourth Proportional to 423,945.60, 585,077.49 and 242,714.40

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Solution

The fourth proportional to 423,945.60, 585,077.49 and 242,714.40 is: 334,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,945.60 : 585,077.49 = 242,714.40 : x
  2. Step 2: Convert to fraction form
    423,945.60/585,077.49 = 242,714.40/x
  3. Step 3: Cross multiply
    423,945.60x = 585,077.49 × 242,714.40
  4. Step 4: Simplify right side
    423,945.60x = 142,006,731,938.86
  5. Step 5: Solve for x
    x = 142,006,731,938.86/423,945.60
  6. Step 6: Final answer
    x = 334,964.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.