Home / 990,486.48-1,485,950.04-359,386.32

Finding the Fourth Proportional to 990,486.48, 1,485,950.04 and 359,386.32

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Solution

The fourth proportional to 990,486.48, 1,485,950.04 and 359,386.32 is: 539,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,486.48 : 1,485,950.04 = 359,386.32 : x
  2. Step 2: Convert to fraction form
    990,486.48/1,485,950.04 = 359,386.32/x
  3. Step 3: Cross multiply
    990,486.48x = 1,485,950.04 × 359,386.32
  4. Step 4: Simplify right side
    990,486.48x = 534,030,116,579.45
  5. Step 5: Solve for x
    x = 534,030,116,579.45/990,486.48
  6. Step 6: Final answer
    x = 539,159.42

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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.