Home / 977,989.60-1,466,984.40-472,938.40

Finding the Fourth Proportional to 977,989.60, 1,466,984.40 and 472,938.40

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Solution

The fourth proportional to 977,989.60, 1,466,984.40 and 472,938.40 is: 709,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,989.60 : 1,466,984.40 = 472,938.40 : x
  2. Step 2: Convert to fraction form
    977,989.60/1,466,984.40 = 472,938.40/x
  3. Step 3: Cross multiply
    977,989.60x = 1,466,984.40 × 472,938.40
  4. Step 4: Simplify right side
    977,989.60x = 693,793,254,960.96
  5. Step 5: Solve for x
    x = 693,793,254,960.96/977,989.60
  6. Step 6: Final answer
    x = 709,407.60

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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.