Home / 774,178.46-1,068,450.02-468,423.45

Finding the Fourth Proportional to 774,178.46, 1,068,450.02 and 468,423.45

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Solution

The fourth proportional to 774,178.46, 1,068,450.02 and 468,423.45 is: 646,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,178.46 : 1,068,450.02 = 468,423.45 : x
  2. Step 2: Convert to fraction form
    774,178.46/1,068,450.02 = 468,423.45/x
  3. Step 3: Cross multiply
    774,178.46x = 1,068,450.02 × 468,423.45
  4. Step 4: Simplify right side
    774,178.46x = 500,487,042,178.85
  5. Step 5: Solve for x
    x = 500,487,042,178.85/774,178.46
  6. Step 6: Final answer
    x = 646,475.03

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Double scale
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1.5x scale

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.