Home / 910,554.08-1,256,475.06-502,629.60

Finding the Fourth Proportional to 910,554.08, 1,256,475.06 and 502,629.60

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Solution

The fourth proportional to 910,554.08, 1,256,475.06 and 502,629.60 is: 693,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,554.08 : 1,256,475.06 = 502,629.60 : x
  2. Step 2: Convert to fraction form
    910,554.08/1,256,475.06 = 502,629.60/x
  3. Step 3: Cross multiply
    910,554.08x = 1,256,475.06 × 502,629.60
  4. Step 4: Simplify right side
    910,554.08x = 631,541,552,106.00
  5. Step 5: Solve for x
    x = 631,541,552,106.00/910,554.08
  6. Step 6: Final answer
    x = 693,579.40

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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.