Home / 788,313.40-1,183,053.30-521,985.40

Finding the Fourth Proportional to 788,313.40, 1,183,053.30 and 521,985.40

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Solution

The fourth proportional to 788,313.40, 1,183,053.30 and 521,985.40 is: 783,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,313.40 : 1,183,053.30 = 521,985.40 : x
  2. Step 2: Convert to fraction form
    788,313.40/1,183,053.30 = 521,985.40/x
  3. Step 3: Cross multiply
    788,313.40x = 1,183,053.30 × 521,985.40
  4. Step 4: Simplify right side
    788,313.40x = 617,536,550,021.82
  5. Step 5: Solve for x
    x = 617,536,550,021.82/788,313.40
  6. Step 6: Final answer
    x = 783,364.27

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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.