Home / 761,258.58-1,050,460.28-421,663.38

Finding the Fourth Proportional to 761,258.58, 1,050,460.28 and 421,663.38

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Solution

The fourth proportional to 761,258.58, 1,050,460.28 and 421,663.38 is: 581,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,258.58 : 1,050,460.28 = 421,663.38 : x
  2. Step 2: Convert to fraction form
    761,258.58/1,050,460.28 = 421,663.38/x
  3. Step 3: Cross multiply
    761,258.58x = 1,050,460.28 × 421,663.38
  4. Step 4: Simplify right side
    761,258.58x = 442,940,632,220.55
  5. Step 5: Solve for x
    x = 442,940,632,220.55/761,258.58
  6. Step 6: Final answer
    x = 581,853.06

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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.