Home / 948,426.08-1,308,825.05-512,840.37

Finding the Fourth Proportional to 948,426.08, 1,308,825.05 and 512,840.37

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Solution

The fourth proportional to 948,426.08, 1,308,825.05 and 512,840.37 is: 707,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,426.08 : 1,308,825.05 = 512,840.37 : x
  2. Step 2: Convert to fraction form
    948,426.08/1,308,825.05 = 512,840.37/x
  3. Step 3: Cross multiply
    948,426.08x = 1,308,825.05 × 512,840.37
  4. Step 4: Simplify right side
    948,426.08x = 671,218,320,343.07
  5. Step 5: Solve for x
    x = 671,218,320,343.07/948,426.08
  6. Step 6: Final answer
    x = 707,718.12

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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.