Home / 838,188.46-1,156,798.56-470,725.98

Finding the Fourth Proportional to 838,188.46, 1,156,798.56 and 470,725.98

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Solution

The fourth proportional to 838,188.46, 1,156,798.56 and 470,725.98 is: 649,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,188.46 : 1,156,798.56 = 470,725.98 : x
  2. Step 2: Convert to fraction form
    838,188.46/1,156,798.56 = 470,725.98/x
  3. Step 3: Cross multiply
    838,188.46x = 1,156,798.56 × 470,725.98
  4. Step 4: Simplify right side
    838,188.46x = 544,535,139,752.81
  5. Step 5: Solve for x
    x = 544,535,139,752.81/838,188.46
  6. Step 6: Final answer
    x = 649,657.17

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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.