Home / 556,938.02-768,575.96-302,289.21

Finding the Fourth Proportional to 556,938.02, 768,575.96 and 302,289.21

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Solution

The fourth proportional to 556,938.02, 768,575.96 and 302,289.21 is: 417,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,938.02 : 768,575.96 = 302,289.21 : x
  2. Step 2: Convert to fraction form
    556,938.02/768,575.96 = 302,289.21/x
  3. Step 3: Cross multiply
    556,938.02x = 768,575.96 × 302,289.21
  4. Step 4: Simplify right side
    556,938.02x = 232,332,218,261.95
  5. Step 5: Solve for x
    x = 232,332,218,261.95/556,938.02
  6. Step 6: Final answer
    x = 417,159.92

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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.