Home / 745,770.69-1,029,130.32-435,702.04

Finding the Fourth Proportional to 745,770.69, 1,029,130.32 and 435,702.04

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Solution

The fourth proportional to 745,770.69, 1,029,130.32 and 435,702.04 is: 601,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,770.69 : 1,029,130.32 = 435,702.04 : x
  2. Step 2: Convert to fraction form
    745,770.69/1,029,130.32 = 435,702.04/x
  3. Step 3: Cross multiply
    745,770.69x = 1,029,130.32 × 435,702.04
  4. Step 4: Simplify right side
    745,770.69x = 448,394,179,849.85
  5. Step 5: Solve for x
    x = 448,394,179,849.85/745,770.69
  6. Step 6: Final answer
    x = 601,249.40

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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.