Home / 977,354.40-1,466,031.60-303,430.35

Finding the Fourth Proportional to 977,354.40, 1,466,031.60 and 303,430.35

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Solution

The fourth proportional to 977,354.40, 1,466,031.60 and 303,430.35 is: 455,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,354.40 : 1,466,031.60 = 303,430.35 : x
  2. Step 2: Convert to fraction form
    977,354.40/1,466,031.60 = 303,430.35/x
  3. Step 3: Cross multiply
    977,354.40x = 1,466,031.60 × 303,430.35
  4. Step 4: Simplify right side
    977,354.40x = 444,838,481,499.06
  5. Step 5: Solve for x
    x = 444,838,481,499.06/977,354.40
  6. Step 6: Final answer
    x = 455,145.53

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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.