Home / 926,935.60-1,390,403.40-365,897.20

Finding the Fourth Proportional to 926,935.60, 1,390,403.40 and 365,897.20

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Solution

The fourth proportional to 926,935.60, 1,390,403.40 and 365,897.20 is: 548,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,935.60 : 1,390,403.40 = 365,897.20 : x
  2. Step 2: Convert to fraction form
    926,935.60/1,390,403.40 = 365,897.20/x
  3. Step 3: Cross multiply
    926,935.60x = 1,390,403.40 × 365,897.20
  4. Step 4: Simplify right side
    926,935.60x = 508,744,710,930.48
  5. Step 5: Solve for x
    x = 508,744,710,930.48/926,935.60
  6. Step 6: Final answer
    x = 548,845.80

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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.