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Finding the Fourth Proportional to 608,547.20, 912,820.80 and 591,051.20

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Solution

The fourth proportional to 608,547.20, 912,820.80 and 591,051.20 is: 886,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,547.20 : 912,820.80 = 591,051.20 : x
  2. Step 2: Convert to fraction form
    608,547.20/912,820.80 = 591,051.20/x
  3. Step 3: Cross multiply
    608,547.20x = 912,820.80 × 591,051.20
  4. Step 4: Simplify right side
    608,547.20x = 539,523,829,224.96
  5. Step 5: Solve for x
    x = 539,523,829,224.96/608,547.20
  6. Step 6: Final answer
    x = 886,576.80

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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.