Home / 430,386.17-644,831.10-302,030.24

Finding the Fourth Proportional to 430,386.17, 644,831.10 and 302,030.24

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Solution

The fourth proportional to 430,386.17, 644,831.10 and 302,030.24 is: 452,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,386.17 : 644,831.10 = 302,030.24 : x
  2. Step 2: Convert to fraction form
    430,386.17/644,831.10 = 302,030.24/x
  3. Step 3: Cross multiply
    430,386.17x = 644,831.10 × 302,030.24
  4. Step 4: Simplify right side
    430,386.17x = 194,758,491,892.46
  5. Step 5: Solve for x
    x = 194,758,491,892.46/430,386.17
  6. Step 6: Final answer
    x = 452,520.33

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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.