Home / 977,000.40-1,465,673.40-346,280.40

Finding the Fourth Proportional to 977,000.40, 1,465,673.40 and 346,280.40

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Solution

The fourth proportional to 977,000.40, 1,465,673.40 and 346,280.40 is: 519,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,000.40 : 1,465,673.40 = 346,280.40 : x
  2. Step 2: Convert to fraction form
    977,000.40/1,465,673.40 = 346,280.40/x
  3. Step 3: Cross multiply
    977,000.40x = 1,465,673.40 × 346,280.40
  4. Step 4: Simplify right side
    977,000.40x = 507,533,971,221.36
  5. Step 5: Solve for x
    x = 507,533,971,221.36/977,000.40
  6. Step 6: Final answer
    x = 519,481.85

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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.