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Finding the Fourth Proportional to 651,197.60, 977,962.80 and 473,904.80

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Solution

The fourth proportional to 651,197.60, 977,962.80 and 473,904.80 is: 711,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,197.60 : 977,962.80 = 473,904.80 : x
  2. Step 2: Convert to fraction form
    651,197.60/977,962.80 = 473,904.80/x
  3. Step 3: Cross multiply
    651,197.60x = 977,962.80 × 473,904.80
  4. Step 4: Simplify right side
    651,197.60x = 463,461,265,141.44
  5. Step 5: Solve for x
    x = 463,461,265,141.44/651,197.60
  6. Step 6: Final answer
    x = 711,706.04

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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.