Home / 570,627.81-787,456.76-315,973.53

Finding the Fourth Proportional to 570,627.81, 787,456.76 and 315,973.53

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Solution

The fourth proportional to 570,627.81, 787,456.76 and 315,973.53 is: 436,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,627.81 : 787,456.76 = 315,973.53 : x
  2. Step 2: Convert to fraction form
    570,627.81/787,456.76 = 315,973.53/x
  3. Step 3: Cross multiply
    570,627.81x = 787,456.76 × 315,973.53
  4. Step 4: Simplify right side
    570,627.81x = 248,815,490,599.70
  5. Step 5: Solve for x
    x = 248,815,490,599.70/570,627.81
  6. Step 6: Final answer
    x = 436,038.14

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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.