Home / 910,173.42-1,256,030.55-502,279.02

Finding the Fourth Proportional to 910,173.42, 1,256,030.55 and 502,279.02

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Solution

The fourth proportional to 910,173.42, 1,256,030.55 and 502,279.02 is: 693,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,173.42 : 1,256,030.55 = 502,279.02 : x
  2. Step 2: Convert to fraction form
    910,173.42/1,256,030.55 = 502,279.02/x
  3. Step 3: Cross multiply
    910,173.42x = 1,256,030.55 × 502,279.02
  4. Step 4: Simplify right side
    910,173.42x = 630,877,793,744.06
  5. Step 5: Solve for x
    x = 630,877,793,744.06/910,173.42
  6. Step 6: Final answer
    x = 693,140.21

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Double scale
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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.