Home / 908,962.70-1,254,312.18-501,043.46

Finding the Fourth Proportional to 908,962.70, 1,254,312.18 and 501,043.46

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Solution

The fourth proportional to 908,962.70, 1,254,312.18 and 501,043.46 is: 691,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,962.70 : 1,254,312.18 = 501,043.46 : x
  2. Step 2: Convert to fraction form
    908,962.70/1,254,312.18 = 501,043.46/x
  3. Step 3: Cross multiply
    908,962.70x = 1,254,312.18 × 501,043.46
  4. Step 4: Simplify right side
    908,962.70x = 628,464,908,315.78
  5. Step 5: Solve for x
    x = 628,464,908,315.78/908,962.70
  6. Step 6: Final answer
    x = 691,408.91

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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.