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Finding the Fourth Proportional to 430,701.94, 594,362.73 and 239,715.40

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Solution

The fourth proportional to 430,701.94, 594,362.73 and 239,715.40 is: 330,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,701.94 : 594,362.73 = 239,715.40 : x
  2. Step 2: Convert to fraction form
    430,701.94/594,362.73 = 239,715.40/x
  3. Step 3: Cross multiply
    430,701.94x = 594,362.73 × 239,715.40
  4. Step 4: Simplify right side
    430,701.94x = 142,477,899,567.04
  5. Step 5: Solve for x
    x = 142,477,899,567.04/430,701.94
  6. Step 6: Final answer
    x = 330,803.94

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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.