Home / 927,653.67-1,390,509.33-388,219.02

Finding the Fourth Proportional to 927,653.67, 1,390,509.33 and 388,219.02

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Solution

The fourth proportional to 927,653.67, 1,390,509.33 and 388,219.02 is: 581,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,653.67 : 1,390,509.33 = 388,219.02 : x
  2. Step 2: Convert to fraction form
    927,653.67/1,390,509.33 = 388,219.02/x
  3. Step 3: Cross multiply
    927,653.67x = 1,390,509.33 × 388,219.02
  4. Step 4: Simplify right side
    927,653.67x = 539,822,169,393.46
  5. Step 5: Solve for x
    x = 539,822,169,393.46/927,653.67
  6. Step 6: Final answer
    x = 581,922.10

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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.