Home / 786,313.24-1,177,468.75-519,674.20

Finding the Fourth Proportional to 786,313.24, 1,177,468.75 and 519,674.20

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Solution

The fourth proportional to 786,313.24, 1,177,468.75 and 519,674.20 is: 778,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,313.24 : 1,177,468.75 = 519,674.20 : x
  2. Step 2: Convert to fraction form
    786,313.24/1,177,468.75 = 519,674.20/x
  3. Step 3: Cross multiply
    786,313.24x = 1,177,468.75 × 519,674.20
  4. Step 4: Simplify right side
    786,313.24x = 611,900,130,681.25
  5. Step 5: Solve for x
    x = 611,900,130,681.25/786,313.24
  6. Step 6: Final answer
    x = 778,188.77

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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.