Home / 771,208.40-1,156,639.80-506,824.40

Finding the Fourth Proportional to 771,208.40, 1,156,639.80 and 506,824.40

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Solution

The fourth proportional to 771,208.40, 1,156,639.80 and 506,824.40 is: 760,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,208.40 : 1,156,639.80 = 506,824.40 : x
  2. Step 2: Convert to fraction form
    771,208.40/1,156,639.80 = 506,824.40/x
  3. Step 3: Cross multiply
    771,208.40x = 1,156,639.80 × 506,824.40
  4. Step 4: Simplify right side
    771,208.40x = 586,213,272,651.12
  5. Step 5: Solve for x
    x = 586,213,272,651.12/771,208.40
  6. Step 6: Final answer
    x = 760,123.04

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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.