Home / 897,011.28-1,345,287.69-265,777.47

Finding the Fourth Proportional to 897,011.28, 1,345,287.69 and 265,777.47

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Solution

The fourth proportional to 897,011.28, 1,345,287.69 and 265,777.47 is: 398,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,011.28 : 1,345,287.69 = 265,777.47 : x
  2. Step 2: Convert to fraction form
    897,011.28/1,345,287.69 = 265,777.47/x
  3. Step 3: Cross multiply
    897,011.28x = 1,345,287.69 × 265,777.47
  4. Step 4: Simplify right side
    897,011.28x = 357,547,158,670.34
  5. Step 5: Solve for x
    x = 357,547,158,670.34/897,011.28
  6. Step 6: Final answer
    x = 398,598.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.