Home / 434,413.12-599,514.96-243,488.20

Finding the Fourth Proportional to 434,413.12, 599,514.96 and 243,488.20

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Solution

The fourth proportional to 434,413.12, 599,514.96 and 243,488.20 is: 336,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,413.12 : 599,514.96 = 243,488.20 : x
  2. Step 2: Convert to fraction form
    434,413.12/599,514.96 = 243,488.20/x
  3. Step 3: Cross multiply
    434,413.12x = 599,514.96 × 243,488.20
  4. Step 4: Simplify right side
    434,413.12x = 145,974,818,483.47
  5. Step 5: Solve for x
    x = 145,974,818,483.47/434,413.12
  6. Step 6: Final answer
    x = 336,027.65

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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.