Home / 976,688.40-1,465,205.40-345,968.40

Finding the Fourth Proportional to 976,688.40, 1,465,205.40 and 345,968.40

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Solution

The fourth proportional to 976,688.40, 1,465,205.40 and 345,968.40 is: 519,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,688.40 : 1,465,205.40 = 345,968.40 : x
  2. Step 2: Convert to fraction form
    976,688.40/1,465,205.40 = 345,968.40/x
  3. Step 3: Cross multiply
    976,688.40x = 1,465,205.40 × 345,968.40
  4. Step 4: Simplify right side
    976,688.40x = 506,914,767,909.36
  5. Step 5: Solve for x
    x = 506,914,767,909.36/976,688.40
  6. Step 6: Final answer
    x = 519,013.81

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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.