Home / 423,539.10-584,514.63-280,050.30

Finding the Fourth Proportional to 423,539.10, 584,514.63 and 280,050.30

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Solution

The fourth proportional to 423,539.10, 584,514.63 and 280,050.30 is: 386,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,539.10 : 584,514.63 = 280,050.30 : x
  2. Step 2: Convert to fraction form
    423,539.10/584,514.63 = 280,050.30/x
  3. Step 3: Cross multiply
    423,539.10x = 584,514.63 × 280,050.30
  4. Step 4: Simplify right side
    423,539.10x = 163,693,497,485.89
  5. Step 5: Solve for x
    x = 163,693,497,485.89/423,539.10
  6. Step 6: Final answer
    x = 386,489.69

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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.