Home / 875,525.55-1,208,413.11-553,030.53

Finding the Fourth Proportional to 875,525.55, 1,208,413.11 and 553,030.53

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Solution

The fourth proportional to 875,525.55, 1,208,413.11 and 553,030.53 is: 763,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,525.55 : 1,208,413.11 = 553,030.53 : x
  2. Step 2: Convert to fraction form
    875,525.55/1,208,413.11 = 553,030.53/x
  3. Step 3: Cross multiply
    875,525.55x = 1,208,413.11 × 553,030.53
  4. Step 4: Simplify right side
    875,525.55x = 668,289,342,682.25
  5. Step 5: Solve for x
    x = 668,289,342,682.25/875,525.55
  6. Step 6: Final answer
    x = 763,300.79

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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.