Home / 648,966.87-895,568.76-358,577.46

Finding the Fourth Proportional to 648,966.87, 895,568.76 and 358,577.46

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Solution

The fourth proportional to 648,966.87, 895,568.76 and 358,577.46 is: 494,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,966.87 : 895,568.76 = 358,577.46 : x
  2. Step 2: Convert to fraction form
    648,966.87/895,568.76 = 358,577.46/x
  3. Step 3: Cross multiply
    648,966.87x = 895,568.76 × 358,577.46
  4. Step 4: Simplify right side
    648,966.87x = 321,130,771,216.15
  5. Step 5: Solve for x
    x = 321,130,771,216.15/648,966.87
  6. Step 6: Final answer
    x = 494,833.84

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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.