Home / 730,590.48-1,008,211.50-408,300.39

Finding the Fourth Proportional to 730,590.48, 1,008,211.50 and 408,300.39

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Solution

The fourth proportional to 730,590.48, 1,008,211.50 and 408,300.39 is: 563,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,590.48 : 1,008,211.50 = 408,300.39 : x
  2. Step 2: Convert to fraction form
    730,590.48/1,008,211.50 = 408,300.39/x
  3. Step 3: Cross multiply
    730,590.48x = 1,008,211.50 × 408,300.39
  4. Step 4: Simplify right side
    730,590.48x = 411,653,148,652.49
  5. Step 5: Solve for x
    x = 411,653,148,652.49/730,590.48
  6. Step 6: Final answer
    x = 563,452.66

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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.