Home / 897,928.95-1,239,168.22-490,056.95

Finding the Fourth Proportional to 897,928.95, 1,239,168.22 and 490,056.95

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Solution

The fourth proportional to 897,928.95, 1,239,168.22 and 490,056.95 is: 676,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,928.95 : 1,239,168.22 = 490,056.95 : x
  2. Step 2: Convert to fraction form
    897,928.95/1,239,168.22 = 490,056.95/x
  3. Step 3: Cross multiply
    897,928.95x = 1,239,168.22 × 490,056.95
  4. Step 4: Simplify right side
    897,928.95x = 607,262,998,430.13
  5. Step 5: Solve for x
    x = 607,262,998,430.13/897,928.95
  6. Step 6: Final answer
    x = 676,292.93

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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.