Home / 766,639.32-1,057,400.64-508,048.44

Finding the Fourth Proportional to 766,639.32, 1,057,400.64 and 508,048.44

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Solution

The fourth proportional to 766,639.32, 1,057,400.64 and 508,048.44 is: 700,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,639.32 : 1,057,400.64 = 508,048.44 : x
  2. Step 2: Convert to fraction form
    766,639.32/1,057,400.64 = 508,048.44/x
  3. Step 3: Cross multiply
    766,639.32x = 1,057,400.64 × 508,048.44
  4. Step 4: Simplify right side
    766,639.32x = 537,210,745,607.00
  5. Step 5: Solve for x
    x = 537,210,745,607.00/766,639.32
  6. Step 6: Final answer
    x = 700,734.66

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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.