Home / 745,071.04-1,028,395.80-458,831.12

Finding the Fourth Proportional to 745,071.04, 1,028,395.80 and 458,831.12

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Solution

The fourth proportional to 745,071.04, 1,028,395.80 and 458,831.12 is: 633,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,071.04 : 1,028,395.80 = 458,831.12 : x
  2. Step 2: Convert to fraction form
    745,071.04/1,028,395.80 = 458,831.12/x
  3. Step 3: Cross multiply
    745,071.04x = 1,028,395.80 × 458,831.12
  4. Step 4: Simplify right side
    745,071.04x = 471,859,996,717.30
  5. Step 5: Solve for x
    x = 471,859,996,717.30/745,071.04
  6. Step 6: Final answer
    x = 633,308.73

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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.