Home / 910,185.42-1,256,047.08-502,291.02

Finding the Fourth Proportional to 910,185.42, 1,256,047.08 and 502,291.02

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Solution

The fourth proportional to 910,185.42, 1,256,047.08 and 502,291.02 is: 693,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,185.42 : 1,256,047.08 = 502,291.02 : x
  2. Step 2: Convert to fraction form
    910,185.42/1,256,047.08 = 502,291.02/x
  3. Step 3: Cross multiply
    910,185.42x = 1,256,047.08 × 502,291.02
  4. Step 4: Simplify right side
    910,185.42x = 630,901,168,981.22
  5. Step 5: Solve for x
    x = 630,901,168,981.22/910,185.42
  6. Step 6: Final answer
    x = 693,156.75

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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.