Home / 990,703.95-1,485,587.48-383,776.52

Finding the Fourth Proportional to 990,703.95, 1,485,587.48 and 383,776.52

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Solution

The fourth proportional to 990,703.95, 1,485,587.48 and 383,776.52 is: 575,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,703.95 : 1,485,587.48 = 383,776.52 : x
  2. Step 2: Convert to fraction form
    990,703.95/1,485,587.48 = 383,776.52/x
  3. Step 3: Cross multiply
    990,703.95x = 1,485,587.48 × 383,776.52
  4. Step 4: Simplify right side
    990,703.95x = 570,133,583,883.15
  5. Step 5: Solve for x
    x = 570,133,583,883.15/990,703.95
  6. Step 6: Final answer
    x = 575,483.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.