Home / 430,724.34-646,088.94-383,558.04

Finding the Fourth Proportional to 430,724.34, 646,088.94 and 383,558.04

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Solution

The fourth proportional to 430,724.34, 646,088.94 and 383,558.04 is: 575,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,724.34 : 646,088.94 = 383,558.04 : x
  2. Step 2: Convert to fraction form
    430,724.34/646,088.94 = 383,558.04/x
  3. Step 3: Cross multiply
    430,724.34x = 646,088.94 × 383,558.04
  4. Step 4: Simplify right side
    430,724.34x = 247,812,607,492.08
  5. Step 5: Solve for x
    x = 247,812,607,492.08/430,724.34
  6. Step 6: Final answer
    x = 575,339.22

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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.