Home / 657,580.32-907,461.20-456,492.96

Finding the Fourth Proportional to 657,580.32, 907,461.20 and 456,492.96

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Solution

The fourth proportional to 657,580.32, 907,461.20 and 456,492.96 is: 629,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,580.32 : 907,461.20 = 456,492.96 : x
  2. Step 2: Convert to fraction form
    657,580.32/907,461.20 = 456,492.96/x
  3. Step 3: Cross multiply
    657,580.32x = 907,461.20 × 456,492.96
  4. Step 4: Simplify right side
    657,580.32x = 414,249,649,273.15
  5. Step 5: Solve for x
    x = 414,249,649,273.15/657,580.32
  6. Step 6: Final answer
    x = 629,960.53

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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.