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Finding the Fourth Proportional to 607,510.60, 909,297.60 and 430,363.60

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Solution

The fourth proportional to 607,510.60, 909,297.60 and 430,363.60 is: 644,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,510.60 : 909,297.60 = 430,363.60 : x
  2. Step 2: Convert to fraction form
    607,510.60/909,297.60 = 430,363.60/x
  3. Step 3: Cross multiply
    607,510.60x = 909,297.60 × 430,363.60
  4. Step 4: Simplify right side
    607,510.60x = 391,328,588,607.36
  5. Step 5: Solve for x
    x = 391,328,588,607.36/607,510.60
  6. Step 6: Final answer
    x = 644,151.05

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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.