Home / 748,800.96-1,033,803.18-487,405.32

Finding the Fourth Proportional to 748,800.96, 1,033,803.18 and 487,405.32

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Solution

The fourth proportional to 748,800.96, 1,033,803.18 and 487,405.32 is: 672,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,800.96 : 1,033,803.18 = 487,405.32 : x
  2. Step 2: Convert to fraction form
    748,800.96/1,033,803.18 = 487,405.32/x
  3. Step 3: Cross multiply
    748,800.96x = 1,033,803.18 × 487,405.32
  4. Step 4: Simplify right side
    748,800.96x = 503,881,169,764.92
  5. Step 5: Solve for x
    x = 503,881,169,764.92/748,800.96
  6. Step 6: Final answer
    x = 672,917.37

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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.