Home / 977,124.40-1,465,686.60-479,460.40

Finding the Fourth Proportional to 977,124.40, 1,465,686.60 and 479,460.40

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Solution

The fourth proportional to 977,124.40, 1,465,686.60 and 479,460.40 is: 719,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,124.40 : 1,465,686.60 = 479,460.40 : x
  2. Step 2: Convert to fraction form
    977,124.40/1,465,686.60 = 479,460.40/x
  3. Step 3: Cross multiply
    977,124.40x = 1,465,686.60 × 479,460.40
  4. Step 4: Simplify right side
    977,124.40x = 702,738,683,510.64
  5. Step 5: Solve for x
    x = 702,738,683,510.64/977,124.40
  6. Step 6: Final answer
    x = 719,190.60

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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.