Home / 897,344.19-1,346,276.90-290,119.55

Finding the Fourth Proportional to 897,344.19, 1,346,276.90 and 290,119.55

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Solution

The fourth proportional to 897,344.19, 1,346,276.90 and 290,119.55 is: 435,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,344.19 : 1,346,276.90 = 290,119.55 : x
  2. Step 2: Convert to fraction form
    897,344.19/1,346,276.90 = 290,119.55/x
  3. Step 3: Cross multiply
    897,344.19x = 1,346,276.90 × 290,119.55
  4. Step 4: Simplify right side
    897,344.19x = 390,581,242,397.31
  5. Step 5: Solve for x
    x = 390,581,242,397.31/897,344.19
  6. Step 6: Final answer
    x = 435,263.58

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Double scale
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1.5x scale

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.