Home / 910,493.60-1,365,740.40-438,101.60

Finding the Fourth Proportional to 910,493.60, 1,365,740.40 and 438,101.60

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Solution

The fourth proportional to 910,493.60, 1,365,740.40 and 438,101.60 is: 657,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,493.60 : 1,365,740.40 = 438,101.60 : x
  2. Step 2: Convert to fraction form
    910,493.60/1,365,740.40 = 438,101.60/x
  3. Step 3: Cross multiply
    910,493.60x = 1,365,740.40 × 438,101.60
  4. Step 4: Simplify right side
    910,493.60x = 598,333,054,424.64
  5. Step 5: Solve for x
    x = 598,333,054,424.64/910,493.60
  6. Step 6: Final answer
    x = 657,152.40

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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.