Home / 727,413.24-1,003,829.58-421,666.69

Finding the Fourth Proportional to 727,413.24, 1,003,829.58 and 421,666.69

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Solution

The fourth proportional to 727,413.24, 1,003,829.58 and 421,666.69 is: 581,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,413.24 : 1,003,829.58 = 421,666.69 : x
  2. Step 2: Convert to fraction form
    727,413.24/1,003,829.58 = 421,666.69/x
  3. Step 3: Cross multiply
    727,413.24x = 1,003,829.58 × 421,666.69
  4. Step 4: Simplify right side
    727,413.24x = 423,281,496,322.69
  5. Step 5: Solve for x
    x = 423,281,496,322.69/727,413.24
  6. Step 6: Final answer
    x = 581,899.63

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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.