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Finding the Fourth Proportional to 618,038.34, 852,979.32 and 446,511.42

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Solution

The fourth proportional to 618,038.34, 852,979.32 and 446,511.42 is: 616,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,038.34 : 852,979.32 = 446,511.42 : x
  2. Step 2: Convert to fraction form
    618,038.34/852,979.32 = 446,511.42/x
  3. Step 3: Cross multiply
    618,038.34x = 852,979.32 × 446,511.42
  4. Step 4: Simplify right side
    618,038.34x = 380,865,007,403.83
  5. Step 5: Solve for x
    x = 380,865,007,403.83/618,038.34
  6. Step 6: Final answer
    x = 616,248.19

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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.