Home / 883,316.31-1,218,976.70-480,908.31

Finding the Fourth Proportional to 883,316.31, 1,218,976.70 and 480,908.31

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Solution

The fourth proportional to 883,316.31, 1,218,976.70 and 480,908.31 is: 663,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,316.31 : 1,218,976.70 = 480,908.31 : x
  2. Step 2: Convert to fraction form
    883,316.31/1,218,976.70 = 480,908.31/x
  3. Step 3: Cross multiply
    883,316.31x = 1,218,976.70 × 480,908.31
  4. Step 4: Simplify right side
    883,316.31x = 586,216,024,726.38
  5. Step 5: Solve for x
    x = 586,216,024,726.38/883,316.31
  6. Step 6: Final answer
    x = 663,653.57

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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.