Home / 977,140.80-1,466,575.20-577,281.60

Finding the Fourth Proportional to 977,140.80, 1,466,575.20 and 577,281.60

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Solution

The fourth proportional to 977,140.80, 1,466,575.20 and 577,281.60 is: 866,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,140.80 : 1,466,575.20 = 577,281.60 : x
  2. Step 2: Convert to fraction form
    977,140.80/1,466,575.20 = 577,281.60/x
  3. Step 3: Cross multiply
    977,140.80x = 1,466,575.20 × 577,281.60
  4. Step 4: Simplify right side
    977,140.80x = 846,626,877,976.32
  5. Step 5: Solve for x
    x = 846,626,877,976.32/977,140.80
  6. Step 6: Final answer
    x = 866,432.84

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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.