Home / 545,462.15-817,919.28-317,831.27

Finding the Fourth Proportional to 545,462.15, 817,919.28 and 317,831.27

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Solution

The fourth proportional to 545,462.15, 817,919.28 and 317,831.27 is: 476,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,462.15 : 817,919.28 = 317,831.27 : x
  2. Step 2: Convert to fraction form
    545,462.15/817,919.28 = 317,831.27/x
  3. Step 3: Cross multiply
    545,462.15x = 817,919.28 × 317,831.27
  4. Step 4: Simplify right side
    545,462.15x = 259,960,319,430.29
  5. Step 5: Solve for x
    x = 259,960,319,430.29/545,462.15
  6. Step 6: Final answer
    x = 476,587.28

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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.