Home / 897,316.60-1,345,513.20-266,148.40

Finding the Fourth Proportional to 897,316.60, 1,345,513.20 and 266,148.40

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Solution

The fourth proportional to 897,316.60, 1,345,513.20 and 266,148.40 is: 399,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,316.60 : 1,345,513.20 = 266,148.40 : x
  2. Step 2: Convert to fraction form
    897,316.60/1,345,513.20 = 266,148.40/x
  3. Step 3: Cross multiply
    897,316.60x = 1,345,513.20 × 266,148.40
  4. Step 4: Simplify right side
    897,316.60x = 358,106,185,358.88
  5. Step 5: Solve for x
    x = 358,106,185,358.88/897,316.60
  6. Step 6: Final answer
    x = 399,085.66

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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.