Home / 927,809.65-1,280,355.63-545,861.02

Finding the Fourth Proportional to 927,809.65, 1,280,355.63 and 545,861.02

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Solution

The fourth proportional to 927,809.65, 1,280,355.63 and 545,861.02 is: 753,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,809.65 : 1,280,355.63 = 545,861.02 : x
  2. Step 2: Convert to fraction form
    927,809.65/1,280,355.63 = 545,861.02/x
  3. Step 3: Cross multiply
    927,809.65x = 1,280,355.63 × 545,861.02
  4. Step 4: Simplify right side
    927,809.65x = 698,896,230,154.54
  5. Step 5: Solve for x
    x = 698,896,230,154.54/927,809.65
  6. Step 6: Final answer
    x = 753,275.45

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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.