Home / 710,012.90-1,064,630.55-288,812.90

Finding the Fourth Proportional to 710,012.90, 1,064,630.55 and 288,812.90

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Solution

The fourth proportional to 710,012.90, 1,064,630.55 and 288,812.90 is: 433,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,012.90 : 1,064,630.55 = 288,812.90 : x
  2. Step 2: Convert to fraction form
    710,012.90/1,064,630.55 = 288,812.90/x
  3. Step 3: Cross multiply
    710,012.90x = 1,064,630.55 × 288,812.90
  4. Step 4: Simplify right side
    710,012.90x = 307,479,036,574.10
  5. Step 5: Solve for x
    x = 307,479,036,574.10/710,012.90
  6. Step 6: Final answer
    x = 433,061.20

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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.