Home / 689,575.55-951,075.02-447,935.94

Finding the Fourth Proportional to 689,575.55, 951,075.02 and 447,935.94

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Solution

The fourth proportional to 689,575.55, 951,075.02 and 447,935.94 is: 617,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,575.55 : 951,075.02 = 447,935.94 : x
  2. Step 2: Convert to fraction form
    689,575.55/951,075.02 = 447,935.94/x
  3. Step 3: Cross multiply
    689,575.55x = 951,075.02 × 447,935.94
  4. Step 4: Simplify right side
    689,575.55x = 426,020,684,214.06
  5. Step 5: Solve for x
    x = 426,020,684,214.06/689,575.55
  6. Step 6: Final answer
    x = 617,801.32

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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.