Home / 909,435.48-1,363,777.88-310,444.93

Finding the Fourth Proportional to 909,435.48, 1,363,777.88 and 310,444.93

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Solution

The fourth proportional to 909,435.48, 1,363,777.88 and 310,444.93 is: 465,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,435.48 : 1,363,777.88 = 310,444.93 : x
  2. Step 2: Convert to fraction form
    909,435.48/1,363,777.88 = 310,444.93/x
  3. Step 3: Cross multiply
    909,435.48x = 1,363,777.88 × 310,444.93
  4. Step 4: Simplify right side
    909,435.48x = 423,377,928,492.15
  5. Step 5: Solve for x
    x = 423,377,928,492.15/909,435.48
  6. Step 6: Final answer
    x = 465,539.27

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1.5x scale

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.