Home / 890,822.50-1,334,018.40-623,329.72

Finding the Fourth Proportional to 890,822.50, 1,334,018.40 and 623,329.72

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Solution

The fourth proportional to 890,822.50, 1,334,018.40 and 623,329.72 is: 933,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,822.50 : 1,334,018.40 = 623,329.72 : x
  2. Step 2: Convert to fraction form
    890,822.50/1,334,018.40 = 623,329.72/x
  3. Step 3: Cross multiply
    890,822.50x = 1,334,018.40 × 623,329.72
  4. Step 4: Simplify right side
    890,822.50x = 831,533,315,746.85
  5. Step 5: Solve for x
    x = 831,533,315,746.85/890,822.50
  6. Step 6: Final answer
    x = 933,444.45

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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.