Home / 898,698.24-1,240,179.84-496,281.60

Finding the Fourth Proportional to 898,698.24, 1,240,179.84 and 496,281.60

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Solution

The fourth proportional to 898,698.24, 1,240,179.84 and 496,281.60 is: 684,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,698.24 : 1,240,179.84 = 496,281.60 : x
  2. Step 2: Convert to fraction form
    898,698.24/1,240,179.84 = 496,281.60/x
  3. Step 3: Cross multiply
    898,698.24x = 1,240,179.84 × 496,281.60
  4. Step 4: Simplify right side
    898,698.24x = 615,478,435,282.94
  5. Step 5: Solve for x
    x = 615,478,435,282.94/898,698.24
  6. Step 6: Final answer
    x = 684,855.50

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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.