Home / 897,339.55-1,346,269.95-290,114.90

Finding the Fourth Proportional to 897,339.55, 1,346,269.95 and 290,114.90

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Solution

The fourth proportional to 897,339.55, 1,346,269.95 and 290,114.90 is: 435,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,339.55 : 1,346,269.95 = 290,114.90 : x
  2. Step 2: Convert to fraction form
    897,339.55/1,346,269.95 = 290,114.90/x
  3. Step 3: Cross multiply
    897,339.55x = 1,346,269.95 × 290,114.90
  4. Step 4: Simplify right side
    897,339.55x = 390,572,971,917.26
  5. Step 5: Solve for x
    x = 390,572,971,917.26/897,339.55
  6. Step 6: Final answer
    x = 435,256.61

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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.