Home / 883,306.31-1,218,962.90-480,898.31

Finding the Fourth Proportional to 883,306.31, 1,218,962.90 and 480,898.31

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Solution

The fourth proportional to 883,306.31, 1,218,962.90 and 480,898.31 is: 663,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,306.31 : 1,218,962.90 = 480,898.31 : x
  2. Step 2: Convert to fraction form
    883,306.31/1,218,962.90 = 480,898.31/x
  3. Step 3: Cross multiply
    883,306.31x = 1,218,962.90 × 480,898.31
  4. Step 4: Simplify right side
    883,306.31x = 586,197,193,670.13
  5. Step 5: Solve for x
    x = 586,197,193,670.13/883,306.31
  6. Step 6: Final answer
    x = 663,639.77

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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.