Home / 530,768.55-732,465.32-289,052.22

Finding the Fourth Proportional to 530,768.55, 732,465.32 and 289,052.22

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Solution

The fourth proportional to 530,768.55, 732,465.32 and 289,052.22 is: 398,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,768.55 : 732,465.32 = 289,052.22 : x
  2. Step 2: Convert to fraction form
    530,768.55/732,465.32 = 289,052.22/x
  3. Step 3: Cross multiply
    530,768.55x = 732,465.32 × 289,052.22
  4. Step 4: Simplify right side
    530,768.55x = 211,720,725,373.75
  5. Step 5: Solve for x
    x = 211,720,725,373.75/530,768.55
  6. Step 6: Final answer
    x = 398,894.63

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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.