Home / 740,755.08-1,110,240.54-340,848.36

Finding the Fourth Proportional to 740,755.08, 1,110,240.54 and 340,848.36

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Solution

The fourth proportional to 740,755.08, 1,110,240.54 and 340,848.36 is: 510,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,755.08 : 1,110,240.54 = 340,848.36 : x
  2. Step 2: Convert to fraction form
    740,755.08/1,110,240.54 = 340,848.36/x
  3. Step 3: Cross multiply
    740,755.08x = 1,110,240.54 × 340,848.36
  4. Step 4: Simplify right side
    740,755.08x = 378,423,667,264.51
  5. Step 5: Solve for x
    x = 378,423,667,264.51/740,755.08
  6. Step 6: Final answer
    x = 510,862.06

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1.5x scale

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.