Home / 947,017.36-1,306,835.94-517,215.16

Finding the Fourth Proportional to 947,017.36, 1,306,835.94 and 517,215.16

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Solution

The fourth proportional to 947,017.36, 1,306,835.94 and 517,215.16 is: 713,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,017.36 : 1,306,835.94 = 517,215.16 : x
  2. Step 2: Convert to fraction form
    947,017.36/1,306,835.94 = 517,215.16/x
  3. Step 3: Cross multiply
    947,017.36x = 1,306,835.94 × 517,215.16
  4. Step 4: Simplify right side
    947,017.36x = 675,915,359,800.85
  5. Step 5: Solve for x
    x = 675,915,359,800.85/947,017.36
  6. Step 6: Final answer
    x = 713,730.70

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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.