Home / 317,175.34-477,663.58-288,831.82

Finding the Fourth Proportional to 317,175.34, 477,663.58 and 288,831.82

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Solution

The fourth proportional to 317,175.34, 477,663.58 and 288,831.82 is: 434,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,175.34 : 477,663.58 = 288,831.82 : x
  2. Step 2: Convert to fraction form
    317,175.34/477,663.58 = 288,831.82/x
  3. Step 3: Cross multiply
    317,175.34x = 477,663.58 × 288,831.82
  4. Step 4: Simplify right side
    317,175.34x = 137,964,441,159.12
  5. Step 5: Solve for x
    x = 137,964,441,159.12/317,175.34
  6. Step 6: Final answer
    x = 434,978.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.