Home / 927,057.94-1,390,986.53-500,509.07

Finding the Fourth Proportional to 927,057.94, 1,390,986.53 and 500,509.07

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Solution

The fourth proportional to 927,057.94, 1,390,986.53 and 500,509.07 is: 750,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,057.94 : 1,390,986.53 = 500,509.07 : x
  2. Step 2: Convert to fraction form
    927,057.94/1,390,986.53 = 500,509.07/x
  3. Step 3: Cross multiply
    927,057.94x = 1,390,986.53 × 500,509.07
  4. Step 4: Simplify right side
    927,057.94x = 696,201,365,055.35
  5. Step 5: Solve for x
    x = 696,201,365,055.35/927,057.94
  6. Step 6: Final answer
    x = 750,979.35

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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.