Home / 990,603.56-1,367,038.50-537,894.68

Finding the Fourth Proportional to 990,603.56, 1,367,038.50 and 537,894.68

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Solution

The fourth proportional to 990,603.56, 1,367,038.50 and 537,894.68 is: 742,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,603.56 : 1,367,038.50 = 537,894.68 : x
  2. Step 2: Convert to fraction form
    990,603.56/1,367,038.50 = 537,894.68/x
  3. Step 3: Cross multiply
    990,603.56x = 1,367,038.50 × 537,894.68
  4. Step 4: Simplify right side
    990,603.56x = 735,322,736,505.18
  5. Step 5: Solve for x
    x = 735,322,736,505.18/990,603.56
  6. Step 6: Final answer
    x = 742,297.69

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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.