Home / 761,440.86-1,050,789.62-417,222.09

Finding the Fourth Proportional to 761,440.86, 1,050,789.62 and 417,222.09

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Solution

The fourth proportional to 761,440.86, 1,050,789.62 and 417,222.09 is: 575,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,440.86 : 1,050,789.62 = 417,222.09 : x
  2. Step 2: Convert to fraction form
    761,440.86/1,050,789.62 = 417,222.09/x
  3. Step 3: Cross multiply
    761,440.86x = 1,050,789.62 × 417,222.09
  4. Step 4: Simplify right side
    761,440.86x = 438,412,641,406.71
  5. Step 5: Solve for x
    x = 438,412,641,406.71/761,440.86
  6. Step 6: Final answer
    x = 575,767.16

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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.