Home / 886,701.90-1,330,225.65-354,132.30

Finding the Fourth Proportional to 886,701.90, 1,330,225.65 and 354,132.30

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Solution

The fourth proportional to 886,701.90, 1,330,225.65 and 354,132.30 is: 531,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,701.90 : 1,330,225.65 = 354,132.30 : x
  2. Step 2: Convert to fraction form
    886,701.90/1,330,225.65 = 354,132.30/x
  3. Step 3: Cross multiply
    886,701.90x = 1,330,225.65 × 354,132.30
  4. Step 4: Simplify right side
    886,701.90x = 471,075,868,953.50
  5. Step 5: Solve for x
    x = 471,075,868,953.50/886,701.90
  6. Step 6: Final answer
    x = 531,267.46

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Double scale
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Similar ratio
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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.