Home / 670,060.10-1,005,090.15-637,400.90

Finding the Fourth Proportional to 670,060.10, 1,005,090.15 and 637,400.90

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Solution

The fourth proportional to 670,060.10, 1,005,090.15 and 637,400.90 is: 956,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,060.10 : 1,005,090.15 = 637,400.90 : x
  2. Step 2: Convert to fraction form
    670,060.10/1,005,090.15 = 637,400.90/x
  3. Step 3: Cross multiply
    670,060.10x = 1,005,090.15 × 637,400.90
  4. Step 4: Simplify right side
    670,060.10x = 640,645,366,191.14
  5. Step 5: Solve for x
    x = 640,645,366,191.14/670,060.10
  6. Step 6: Final answer
    x = 956,101.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.