Home / 989,637.44-1,484,357.72-457,150.77

Finding the Fourth Proportional to 989,637.44, 1,484,357.72 and 457,150.77

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Solution

The fourth proportional to 989,637.44, 1,484,357.72 and 457,150.77 is: 685,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,637.44 : 1,484,357.72 = 457,150.77 : x
  2. Step 2: Convert to fraction form
    989,637.44/1,484,357.72 = 457,150.77/x
  3. Step 3: Cross multiply
    989,637.44x = 1,484,357.72 × 457,150.77
  4. Step 4: Simplify right side
    989,637.44x = 678,575,272,367.69
  5. Step 5: Solve for x
    x = 678,575,272,367.69/989,637.44
  6. Step 6: Final answer
    x = 685,680.68

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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.