Home / 977,344.40-1,464,947.40-345,933.20

Finding the Fourth Proportional to 977,344.40, 1,464,947.40 and 345,933.20

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Solution

The fourth proportional to 977,344.40, 1,464,947.40 and 345,933.20 is: 518,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,344.40 : 1,464,947.40 = 345,933.20 : x
  2. Step 2: Convert to fraction form
    977,344.40/1,464,947.40 = 345,933.20/x
  3. Step 3: Cross multiply
    977,344.40x = 1,464,947.40 × 345,933.20
  4. Step 4: Simplify right side
    977,344.40x = 506,773,941,913.68
  5. Step 5: Solve for x
    x = 506,773,941,913.68/977,344.40
  6. Step 6: Final answer
    x = 518,521.35

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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.