Home / 571,218.08-788,280.93-316,585.67

Finding the Fourth Proportional to 571,218.08, 788,280.93 and 316,585.67

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Solution

The fourth proportional to 571,218.08, 788,280.93 and 316,585.67 is: 436,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,218.08 : 788,280.93 = 316,585.67 : x
  2. Step 2: Convert to fraction form
    571,218.08/788,280.93 = 316,585.67/x
  3. Step 3: Cross multiply
    571,218.08x = 788,280.93 × 316,585.67
  4. Step 4: Simplify right side
    571,218.08x = 249,558,442,430.87
  5. Step 5: Solve for x
    x = 249,558,442,430.87/571,218.08
  6. Step 6: Final answer
    x = 436,888.21

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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.