Home / 910,580.52-1,256,621.18-502,681.40

Finding the Fourth Proportional to 910,580.52, 1,256,621.18 and 502,681.40

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Solution

The fourth proportional to 910,580.52, 1,256,621.18 and 502,681.40 is: 693,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,580.52 : 1,256,621.18 = 502,681.40 : x
  2. Step 2: Convert to fraction form
    910,580.52/1,256,621.18 = 502,681.40/x
  3. Step 3: Cross multiply
    910,580.52x = 1,256,621.18 × 502,681.40
  4. Step 4: Simplify right side
    910,580.52x = 631,680,094,032.05
  5. Step 5: Solve for x
    x = 631,680,094,032.05/910,580.52
  6. Step 6: Final answer
    x = 693,711.41

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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.