Home / 977,246.40-1,465,480.80-345,835.20

Finding the Fourth Proportional to 977,246.40, 1,465,480.80 and 345,835.20

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Solution

The fourth proportional to 977,246.40, 1,465,480.80 and 345,835.20 is: 518,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,246.40 : 1,465,480.80 = 345,835.20 : x
  2. Step 2: Convert to fraction form
    977,246.40/1,465,480.80 = 345,835.20/x
  3. Step 3: Cross multiply
    977,246.40x = 1,465,480.80 × 345,835.20
  4. Step 4: Simplify right side
    977,246.40x = 506,814,845,564.16
  5. Step 5: Solve for x
    x = 506,814,845,564.16/977,246.40
  6. Step 6: Final answer
    x = 518,615.21

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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.