Home / 729,011.44-1,006,055.58-457,053.76

Finding the Fourth Proportional to 729,011.44, 1,006,055.58 and 457,053.76

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Solution

The fourth proportional to 729,011.44, 1,006,055.58 and 457,053.76 is: 630,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,011.44 : 1,006,055.58 = 457,053.76 : x
  2. Step 2: Convert to fraction form
    729,011.44/1,006,055.58 = 457,053.76/x
  3. Step 3: Cross multiply
    729,011.44x = 1,006,055.58 × 457,053.76
  4. Step 4: Simplify right side
    729,011.44x = 459,821,485,607.98
  5. Step 5: Solve for x
    x = 459,821,485,607.98/729,011.44
  6. Step 6: Final answer
    x = 630,746.60

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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.