Home / 977,261.80-1,465,892.70-346,239.40

Finding the Fourth Proportional to 977,261.80, 1,465,892.70 and 346,239.40

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Solution

The fourth proportional to 977,261.80, 1,465,892.70 and 346,239.40 is: 519,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,261.80 : 1,465,892.70 = 346,239.40 : x
  2. Step 2: Convert to fraction form
    977,261.80/1,465,892.70 = 346,239.40/x
  3. Step 3: Cross multiply
    977,261.80x = 1,465,892.70 × 346,239.40
  4. Step 4: Simplify right side
    977,261.80x = 507,549,808,912.38
  5. Step 5: Solve for x
    x = 507,549,808,912.38/977,261.80
  6. Step 6: Final answer
    x = 519,359.10

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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.