Home / 786,593.04-1,085,530.80-442,445

Finding the Fourth Proportional to 786,593.04, 1,085,530.80 and 442,445

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Solution

The fourth proportional to 786,593.04, 1,085,530.80 and 442,445 is: 610,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,593.04 : 1,085,530.80 = 442,445 : x
  2. Step 2: Convert to fraction form
    786,593.04/1,085,530.80 = 442,445/x
  3. Step 3: Cross multiply
    786,593.04x = 1,085,530.80 × 442,445
  4. Step 4: Simplify right side
    786,593.04x = 480,287,674,806
  5. Step 5: Solve for x
    x = 480,287,674,806/786,593.04
  6. Step 6: Final answer
    x = 610,592.33

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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.