Home / 774,661.37-1,068,866.86-452,225.13

Finding the Fourth Proportional to 774,661.37, 1,068,866.86 and 452,225.13

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Solution

The fourth proportional to 774,661.37, 1,068,866.86 and 452,225.13 is: 623,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,661.37 : 1,068,866.86 = 452,225.13 : x
  2. Step 2: Convert to fraction form
    774,661.37/1,068,866.86 = 452,225.13/x
  3. Step 3: Cross multiply
    774,661.37x = 1,068,866.86 × 452,225.13
  4. Step 4: Simplify right side
    774,661.37x = 483,368,451,697.18
  5. Step 5: Solve for x
    x = 483,368,451,697.18/774,661.37
  6. Step 6: Final answer
    x = 623,973.87

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Double scale
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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.