Home / 912,264.34-1,258,921.63-509,856.34

Finding the Fourth Proportional to 912,264.34, 1,258,921.63 and 509,856.34

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Solution

The fourth proportional to 912,264.34, 1,258,921.63 and 509,856.34 is: 703,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,264.34 : 1,258,921.63 = 509,856.34 : x
  2. Step 2: Convert to fraction form
    912,264.34/1,258,921.63 = 509,856.34/x
  3. Step 3: Cross multiply
    912,264.34x = 1,258,921.63 × 509,856.34
  4. Step 4: Simplify right side
    912,264.34x = 641,869,174,618.63
  5. Step 5: Solve for x
    x = 641,869,174,618.63/912,264.34
  6. Step 6: Final answer
    x = 703,599.98

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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.