Home / 530,848.22-732,587.37-289,138.10

Finding the Fourth Proportional to 530,848.22, 732,587.37 and 289,138.10

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Solution

The fourth proportional to 530,848.22, 732,587.37 and 289,138.10 is: 399,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,848.22 : 732,587.37 = 289,138.10 : x
  2. Step 2: Convert to fraction form
    530,848.22/732,587.37 = 289,138.10/x
  3. Step 3: Cross multiply
    530,848.22x = 732,587.37 × 289,138.10
  4. Step 4: Simplify right side
    530,848.22x = 211,818,920,245.80
  5. Step 5: Solve for x
    x = 211,818,920,245.80/530,848.22
  6. Step 6: Final answer
    x = 399,019.74

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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.