Home / 869,874.50-1,200,428.98-507,547.46

Finding the Fourth Proportional to 869,874.50, 1,200,428.98 and 507,547.46

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Solution

The fourth proportional to 869,874.50, 1,200,428.98 and 507,547.46 is: 700,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,874.50 : 1,200,428.98 = 507,547.46 : x
  2. Step 2: Convert to fraction form
    869,874.50/1,200,428.98 = 507,547.46/x
  3. Step 3: Cross multiply
    869,874.50x = 1,200,428.98 × 507,547.46
  4. Step 4: Simplify right side
    869,874.50x = 609,274,679,709.39
  5. Step 5: Solve for x
    x = 609,274,679,709.39/869,874.50
  6. Step 6: Final answer
    x = 700,416.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.