Home / 887,259.10-1,330,888.65-607,323.10

Finding the Fourth Proportional to 887,259.10, 1,330,888.65 and 607,323.10

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Solution

The fourth proportional to 887,259.10, 1,330,888.65 and 607,323.10 is: 910,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,259.10 : 1,330,888.65 = 607,323.10 : x
  2. Step 2: Convert to fraction form
    887,259.10/1,330,888.65 = 607,323.10/x
  3. Step 3: Cross multiply
    887,259.10x = 1,330,888.65 × 607,323.10
  4. Step 4: Simplify right side
    887,259.10x = 808,279,420,672.82
  5. Step 5: Solve for x
    x = 808,279,420,672.82/887,259.10
  6. Step 6: Final answer
    x = 910,984.65

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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.