Home / 898,468.76-1,239,877.44-490,569.32

Finding the Fourth Proportional to 898,468.76, 1,239,877.44 and 490,569.32

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Solution

The fourth proportional to 898,468.76, 1,239,877.44 and 490,569.32 is: 676,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,468.76 : 1,239,877.44 = 490,569.32 : x
  2. Step 2: Convert to fraction form
    898,468.76/1,239,877.44 = 490,569.32/x
  3. Step 3: Cross multiply
    898,468.76x = 1,239,877.44 × 490,569.32
  4. Step 4: Simplify right side
    898,468.76x = 608,245,832,624.14
  5. Step 5: Solve for x
    x = 608,245,832,624.14/898,468.76
  6. Step 6: Final answer
    x = 676,980.50

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Double scale
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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.