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Finding the Fourth Proportional to 610,460.38, 842,488.59 and 355,806.10

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Solution

The fourth proportional to 610,460.38, 842,488.59 and 355,806.10 is: 491,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,460.38 : 842,488.59 = 355,806.10 : x
  2. Step 2: Convert to fraction form
    610,460.38/842,488.59 = 355,806.10/x
  3. Step 3: Cross multiply
    610,460.38x = 842,488.59 × 355,806.10
  4. Step 4: Simplify right side
    610,460.38x = 299,762,579,502.40
  5. Step 5: Solve for x
    x = 299,762,579,502.40/610,460.38
  6. Step 6: Final answer
    x = 491,043.46

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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.