Home / 570,204.18-786,877.20-315,569.34

Finding the Fourth Proportional to 570,204.18, 786,877.20 and 315,569.34

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Solution

The fourth proportional to 570,204.18, 786,877.20 and 315,569.34 is: 435,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,204.18 : 786,877.20 = 315,569.34 : x
  2. Step 2: Convert to fraction form
    570,204.18/786,877.20 = 315,569.34/x
  3. Step 3: Cross multiply
    570,204.18x = 786,877.20 × 315,569.34
  4. Step 4: Simplify right side
    570,204.18x = 248,314,318,665.05
  5. Step 5: Solve for x
    x = 248,314,318,665.05/570,204.18
  6. Step 6: Final answer
    x = 435,483.16

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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.