Home / 910,021.60-1,365,032.40-573,442.30

Finding the Fourth Proportional to 910,021.60, 1,365,032.40 and 573,442.30

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Solution

The fourth proportional to 910,021.60, 1,365,032.40 and 573,442.30 is: 860,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,021.60 : 1,365,032.40 = 573,442.30 : x
  2. Step 2: Convert to fraction form
    910,021.60/1,365,032.40 = 573,442.30/x
  3. Step 3: Cross multiply
    910,021.60x = 1,365,032.40 × 573,442.30
  4. Step 4: Simplify right side
    910,021.60x = 782,767,319,030.52
  5. Step 5: Solve for x
    x = 782,767,319,030.52/910,021.60
  6. Step 6: Final answer
    x = 860,163.45

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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.