Home / 761,349.86-1,050,622.56-434,649.92

Finding the Fourth Proportional to 761,349.86, 1,050,622.56 and 434,649.92

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Solution

The fourth proportional to 761,349.86, 1,050,622.56 and 434,649.92 is: 599,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,349.86 : 1,050,622.56 = 434,649.92 : x
  2. Step 2: Convert to fraction form
    761,349.86/1,050,622.56 = 434,649.92/x
  3. Step 3: Cross multiply
    761,349.86x = 1,050,622.56 × 434,649.92
  4. Step 4: Simplify right side
    761,349.86x = 456,653,011,654.20
  5. Step 5: Solve for x
    x = 456,653,011,654.20/761,349.86
  6. Step 6: Final answer
    x = 599,793.91

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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.