Home / 382,303.40-573,455.10-288,991.40

Finding the Fourth Proportional to 382,303.40, 573,455.10 and 288,991.40

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Solution

The fourth proportional to 382,303.40, 573,455.10 and 288,991.40 is: 433,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,303.40 : 573,455.10 = 288,991.40 : x
  2. Step 2: Convert to fraction form
    382,303.40/573,455.10 = 288,991.40/x
  3. Step 3: Cross multiply
    382,303.40x = 573,455.10 × 288,991.40
  4. Step 4: Simplify right side
    382,303.40x = 165,723,592,186.14
  5. Step 5: Solve for x
    x = 165,723,592,186.14/382,303.40
  6. Step 6: Final answer
    x = 433,487.10

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1.5x scale

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.