Home / 377,528.04-520,988.40-207,762.30

Finding the Fourth Proportional to 377,528.04, 520,988.40 and 207,762.30

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Solution

The fourth proportional to 377,528.04, 520,988.40 and 207,762.30 is: 286,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,528.04 : 520,988.40 = 207,762.30 : x
  2. Step 2: Convert to fraction form
    377,528.04/520,988.40 = 207,762.30/x
  3. Step 3: Cross multiply
    377,528.04x = 520,988.40 × 207,762.30
  4. Step 4: Simplify right side
    377,528.04x = 108,241,748,257.32
  5. Step 5: Solve for x
    x = 108,241,748,257.32/377,528.04
  6. Step 6: Final answer
    x = 286,711.81

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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.