Home / 782,690.72-1,174,430.02-583,411.28

Finding the Fourth Proportional to 782,690.72, 1,174,430.02 and 583,411.28

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Solution

The fourth proportional to 782,690.72, 1,174,430.02 and 583,411.28 is: 875,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,690.72 : 1,174,430.02 = 583,411.28 : x
  2. Step 2: Convert to fraction form
    782,690.72/1,174,430.02 = 583,411.28/x
  3. Step 3: Cross multiply
    782,690.72x = 1,174,430.02 × 583,411.28
  4. Step 4: Simplify right side
    782,690.72x = 685,175,721,238.63
  5. Step 5: Solve for x
    x = 685,175,721,238.63/782,690.72
  6. Step 6: Final answer
    x = 875,410.56

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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.