Home / 560,746.14-840,257.76-380,597.28

Finding the Fourth Proportional to 560,746.14, 840,257.76 and 380,597.28

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Solution

The fourth proportional to 560,746.14, 840,257.76 and 380,597.28 is: 570,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,746.14 : 840,257.76 = 380,597.28 : x
  2. Step 2: Convert to fraction form
    560,746.14/840,257.76 = 380,597.28/x
  3. Step 3: Cross multiply
    560,746.14x = 840,257.76 × 380,597.28
  4. Step 4: Simplify right side
    560,746.14x = 319,799,817,954.89
  5. Step 5: Solve for x
    x = 319,799,817,954.89/560,746.14
  6. Step 6: Final answer
    x = 570,311.22

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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.