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Finding the Fourth Proportional to 629,673.82, 868,263.81 and 425,370.19

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Solution

The fourth proportional to 629,673.82, 868,263.81 and 425,370.19 is: 586,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,673.82 : 868,263.81 = 425,370.19 : x
  2. Step 2: Convert to fraction form
    629,673.82/868,263.81 = 425,370.19/x
  3. Step 3: Cross multiply
    629,673.82x = 868,263.81 × 425,370.19
  4. Step 4: Simplify right side
    629,673.82x = 369,333,541,829.82
  5. Step 5: Solve for x
    x = 369,333,541,829.82/629,673.82
  6. Step 6: Final answer
    x = 586,547.40

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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.