Home / 975,250.11-1,345,256.67-644,108.07

Finding the Fourth Proportional to 975,250.11, 1,345,256.67 and 644,108.07

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Solution

The fourth proportional to 975,250.11, 1,345,256.67 and 644,108.07 is: 888,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,250.11 : 1,345,256.67 = 644,108.07 : x
  2. Step 2: Convert to fraction form
    975,250.11/1,345,256.67 = 644,108.07/x
  3. Step 3: Cross multiply
    975,250.11x = 1,345,256.67 × 644,108.07
  4. Step 4: Simplify right side
    975,250.11x = 866,490,677,368.33
  5. Step 5: Solve for x
    x = 866,490,677,368.33/975,250.11
  6. Step 6: Final answer
    x = 888,480.47

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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.