Home / 887,415.24-1,224,730.34-514,960.21

Finding the Fourth Proportional to 887,415.24, 1,224,730.34 and 514,960.21

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Solution

The fourth proportional to 887,415.24, 1,224,730.34 and 514,960.21 is: 710,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,415.24 : 1,224,730.34 = 514,960.21 : x
  2. Step 2: Convert to fraction form
    887,415.24/1,224,730.34 = 514,960.21/x
  3. Step 3: Cross multiply
    887,415.24x = 1,224,730.34 × 514,960.21
  4. Step 4: Simplify right side
    887,415.24x = 630,687,393,966.98
  5. Step 5: Solve for x
    x = 630,687,393,966.98/887,415.24
  6. Step 6: Final answer
    x = 710,701.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.