Home / 470,315.28-649,036.95-255,458.94

Finding the Fourth Proportional to 470,315.28, 649,036.95 and 255,458.94

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Solution

The fourth proportional to 470,315.28, 649,036.95 and 255,458.94 is: 352,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,315.28 : 649,036.95 = 255,458.94 : x
  2. Step 2: Convert to fraction form
    470,315.28/649,036.95 = 255,458.94/x
  3. Step 3: Cross multiply
    470,315.28x = 649,036.95 × 255,458.94
  4. Step 4: Simplify right side
    470,315.28x = 165,802,291,267.83
  5. Step 5: Solve for x
    x = 165,802,291,267.83/470,315.28
  6. Step 6: Final answer
    x = 352,534.35

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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.