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Finding the Fourth Proportional to 578,601.77, 798,518.59 and 336,869.89

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Solution

The fourth proportional to 578,601.77, 798,518.59 and 336,869.89 is: 464,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,601.77 : 798,518.59 = 336,869.89 : x
  2. Step 2: Convert to fraction form
    578,601.77/798,518.59 = 336,869.89/x
  3. Step 3: Cross multiply
    578,601.77x = 798,518.59 × 336,869.89
  4. Step 4: Simplify right side
    578,601.77x = 268,996,866,737.78
  5. Step 5: Solve for x
    x = 268,996,866,737.78/578,601.77
  6. Step 6: Final answer
    x = 464,908.48

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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.