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Finding the Fourth Proportional to 618,459.95, 928,007.35 and 294,614.80

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Solution

The fourth proportional to 618,459.95, 928,007.35 and 294,614.80 is: 442,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,459.95 : 928,007.35 = 294,614.80 : x
  2. Step 2: Convert to fraction form
    618,459.95/928,007.35 = 294,614.80/x
  3. Step 3: Cross multiply
    618,459.95x = 928,007.35 × 294,614.80
  4. Step 4: Simplify right side
    618,459.95x = 273,404,696,762.23
  5. Step 5: Solve for x
    x = 273,404,696,762.23/618,459.95
  6. Step 6: Final answer
    x = 442,073.40

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1.5x scale

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.