Home / 977,608.20-1,466,412.30-660,347.40

Finding the Fourth Proportional to 977,608.20, 1,466,412.30 and 660,347.40

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Solution

The fourth proportional to 977,608.20, 1,466,412.30 and 660,347.40 is: 990,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,608.20 : 1,466,412.30 = 660,347.40 : x
  2. Step 2: Convert to fraction form
    977,608.20/1,466,412.30 = 660,347.40/x
  3. Step 3: Cross multiply
    977,608.20x = 1,466,412.30 × 660,347.40
  4. Step 4: Simplify right side
    977,608.20x = 968,341,549,633.02
  5. Step 5: Solve for x
    x = 968,341,549,633.02/977,608.20
  6. Step 6: Final answer
    x = 990,521.10

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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.