Home / 931,088.19-1,396,377.40-257,008.35

Finding the Fourth Proportional to 931,088.19, 1,396,377.40 and 257,008.35

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Solution

The fourth proportional to 931,088.19, 1,396,377.40 and 257,008.35 is: 385,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,088.19 : 1,396,377.40 = 257,008.35 : x
  2. Step 2: Convert to fraction form
    931,088.19/1,396,377.40 = 257,008.35/x
  3. Step 3: Cross multiply
    931,088.19x = 1,396,377.40 × 257,008.35
  4. Step 4: Simplify right side
    931,088.19x = 358,880,651,551.29
  5. Step 5: Solve for x
    x = 358,880,651,551.29/931,088.19
  6. Step 6: Final answer
    x = 385,442.17

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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.