Home / 877,976.91-1,316,965.95-246,890.79

Finding the Fourth Proportional to 877,976.91, 1,316,965.95 and 246,890.79

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Solution

The fourth proportional to 877,976.91, 1,316,965.95 and 246,890.79 is: 370,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,976.91 : 1,316,965.95 = 246,890.79 : x
  2. Step 2: Convert to fraction form
    877,976.91/1,316,965.95 = 246,890.79/x
  3. Step 3: Cross multiply
    877,976.91x = 1,316,965.95 × 246,890.79
  4. Step 4: Simplify right side
    877,976.91x = 325,146,763,798.60
  5. Step 5: Solve for x
    x = 325,146,763,798.60/877,976.91
  6. Step 6: Final answer
    x = 370,336.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.