Home / 648,025.40-972,038.10-577,166.60

Finding the Fourth Proportional to 648,025.40, 972,038.10 and 577,166.60

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Solution

The fourth proportional to 648,025.40, 972,038.10 and 577,166.60 is: 865,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,025.40 : 972,038.10 = 577,166.60 : x
  2. Step 2: Convert to fraction form
    648,025.40/972,038.10 = 577,166.60/x
  3. Step 3: Cross multiply
    648,025.40x = 972,038.10 × 577,166.60
  4. Step 4: Simplify right side
    648,025.40x = 561,027,925,247.46
  5. Step 5: Solve for x
    x = 561,027,925,247.46/648,025.40
  6. Step 6: Final answer
    x = 865,749.90

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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.