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Finding the Fourth Proportional to 523,488.40, 786,154.20 and 506,899.60

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Solution

The fourth proportional to 523,488.40, 786,154.20 and 506,899.60 is: 761,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,488.40 : 786,154.20 = 506,899.60 : x
  2. Step 2: Convert to fraction form
    523,488.40/786,154.20 = 506,899.60/x
  3. Step 3: Cross multiply
    523,488.40x = 786,154.20 × 506,899.60
  4. Step 4: Simplify right side
    523,488.40x = 398,501,249,518.32
  5. Step 5: Solve for x
    x = 398,501,249,518.32/523,488.40
  6. Step 6: Final answer
    x = 761,241.80

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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.