Home / 710,513.03-980,942.39-462,391.40

Finding the Fourth Proportional to 710,513.03, 980,942.39 and 462,391.40

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Solution

The fourth proportional to 710,513.03, 980,942.39 and 462,391.40 is: 638,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,513.03 : 980,942.39 = 462,391.40 : x
  2. Step 2: Convert to fraction form
    710,513.03/980,942.39 = 462,391.40/x
  3. Step 3: Cross multiply
    710,513.03x = 980,942.39 × 462,391.40
  4. Step 4: Simplify right side
    710,513.03x = 453,579,317,814.78
  5. Step 5: Solve for x
    x = 453,579,317,814.78/710,513.03
  6. Step 6: Final answer
    x = 638,382.83

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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.