Home / 917,567.46-1,376,365.03-318,547.65

Finding the Fourth Proportional to 917,567.46, 1,376,365.03 and 318,547.65

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Solution

The fourth proportional to 917,567.46, 1,376,365.03 and 318,547.65 is: 477,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,567.46 : 1,376,365.03 = 318,547.65 : x
  2. Step 2: Convert to fraction form
    917,567.46/1,376,365.03 = 318,547.65/x
  3. Step 3: Cross multiply
    917,567.46x = 1,376,365.03 × 318,547.65
  4. Step 4: Simplify right side
    917,567.46x = 438,437,845,052.31
  5. Step 5: Solve for x
    x = 438,437,845,052.31/917,567.46
  6. Step 6: Final answer
    x = 477,826.28

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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.