Home / 838,491.47-1,157,059.86-475,922.72

Finding the Fourth Proportional to 838,491.47, 1,157,059.86 and 475,922.72

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Solution

The fourth proportional to 838,491.47, 1,157,059.86 and 475,922.72 is: 656,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,491.47 : 1,157,059.86 = 475,922.72 : x
  2. Step 2: Convert to fraction form
    838,491.47/1,157,059.86 = 475,922.72/x
  3. Step 3: Cross multiply
    838,491.47x = 1,157,059.86 × 475,922.72
  4. Step 4: Simplify right side
    838,491.47x = 550,671,075,774.02
  5. Step 5: Solve for x
    x = 550,671,075,774.02/838,491.47
  6. Step 6: Final answer
    x = 656,740.22

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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.