Home / 898,977.71-1,348,518.40-338,017.07

Finding the Fourth Proportional to 898,977.71, 1,348,518.40 and 338,017.07

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Solution

The fourth proportional to 898,977.71, 1,348,518.40 and 338,017.07 is: 507,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,977.71 : 1,348,518.40 = 338,017.07 : x
  2. Step 2: Convert to fraction form
    898,977.71/1,348,518.40 = 338,017.07/x
  3. Step 3: Cross multiply
    898,977.71x = 1,348,518.40 × 338,017.07
  4. Step 4: Simplify right side
    898,977.71x = 455,822,238,409.09
  5. Step 5: Solve for x
    x = 455,822,238,409.09/898,977.71
  6. Step 6: Final answer
    x = 507,045.10

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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.