Home / 910,962.93-1,257,114.56-503,054.63

Finding the Fourth Proportional to 910,962.93, 1,257,114.56 and 503,054.63

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Solution

The fourth proportional to 910,962.93, 1,257,114.56 and 503,054.63 is: 694,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,962.93 : 1,257,114.56 = 503,054.63 : x
  2. Step 2: Convert to fraction form
    910,962.93/1,257,114.56 = 503,054.63/x
  3. Step 3: Cross multiply
    910,962.93x = 1,257,114.56 × 503,054.63
  4. Step 4: Simplify right side
    910,962.93x = 632,397,291,047.57
  5. Step 5: Solve for x
    x = 632,397,291,047.57/910,962.93
  6. Step 6: Final answer
    x = 694,207.49

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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.