Home / 917,911.61-1,376,011.38-310,277.15

Finding the Fourth Proportional to 917,911.61, 1,376,011.38 and 310,277.15

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Solution

The fourth proportional to 917,911.61, 1,376,011.38 and 310,277.15 is: 465,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,911.61 : 1,376,011.38 = 310,277.15 : x
  2. Step 2: Convert to fraction form
    917,911.61/1,376,011.38 = 310,277.15/x
  3. Step 3: Cross multiply
    917,911.61x = 1,376,011.38 × 310,277.15
  4. Step 4: Simplify right side
    917,911.61x = 426,944,892,794.00
  5. Step 5: Solve for x
    x = 426,944,892,794.00/917,911.61
  6. Step 6: Final answer
    x = 465,126.37

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1.5x scale

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.