Home / 530,539.64-732,154.04-288,829.16

Finding the Fourth Proportional to 530,539.64, 732,154.04 and 288,829.16

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Solution

The fourth proportional to 530,539.64, 732,154.04 and 288,829.16 is: 398,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,539.64 : 732,154.04 = 288,829.16 : x
  2. Step 2: Convert to fraction form
    530,539.64/732,154.04 = 288,829.16/x
  3. Step 3: Cross multiply
    530,539.64x = 732,154.04 × 288,829.16
  4. Step 4: Simplify right side
    530,539.64x = 211,467,431,258.89
  5. Step 5: Solve for x
    x = 211,467,431,258.89/530,539.64
  6. Step 6: Final answer
    x = 398,589.32

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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.